Index (LensKit 2.2.1)

A B C D E F G H I J K L M N O P Q R S T U V W

A

AbsoluteThreshold - Class in org.grouplens.lenskit.transform.threshold: Checks similarity values to ensure their absolute values are over the ThresholdValue.
AbsoluteThreshold(double) - Constructor for class org.grouplens.lenskit.transform.threshold.AbsoluteThreshold: Construct a new absolute-value threshold.
AbstractConfigContext - Class in org.grouplens.lenskit.inject: Helper for implementing Lenskit config contexts.
AbstractConfigContext() - Constructor for class org.grouplens.lenskit.inject.AbstractConfigContext
AbstractCursor<T> - Class in org.grouplens.lenskit.cursors: Base class to make Cursors easier to implement.
AbstractCursor() - Constructor for class org.grouplens.lenskit.cursors.AbstractCursor: Construct a cursor of unknown size.
AbstractCursor(int) - Constructor for class org.grouplens.lenskit.cursors.AbstractCursor: Construct a cursor.
AbstractDataSource - Class in org.grouplens.lenskit.data.source: Base class to help implement data sources.
AbstractDataSource() - Constructor for class org.grouplens.lenskit.data.source.AbstractDataSource
AbstractDescriptionWriter - Class in org.grouplens.lenskit.util.io: Base class to help implementing DescriptionWriters.
AbstractDescriptionWriter() - Constructor for class org.grouplens.lenskit.util.io.AbstractDescriptionWriter
AbstractGlobalItemRecommender - Class in org.grouplens.lenskit.basic: Base class for item recommenders.
AbstractGlobalItemRecommender() - Constructor for class org.grouplens.lenskit.basic.AbstractGlobalItemRecommender
AbstractGlobalItemScorer - Class in org.grouplens.lenskit.basic: Base class to make global item scorers easier to implement.
AbstractGlobalItemScorer() - Constructor for class org.grouplens.lenskit.basic.AbstractGlobalItemScorer
AbstractItemRecommender - Class in org.grouplens.lenskit.basic: Base class for item recommenders.
AbstractItemRecommender() - Constructor for class org.grouplens.lenskit.basic.AbstractItemRecommender
AbstractItemScorer - Class in org.grouplens.lenskit.basic: Base class to make item scorers easier to implement.
AbstractItemScorer() - Constructor for class org.grouplens.lenskit.basic.AbstractItemScorer
AbstractMetric<X,G,U> - Class in org.grouplens.lenskit.eval.metrics: A simple metric base class that tracks the current evaluation.
AbstractMetric(Class<G>, Class<U>) - Constructor for class org.grouplens.lenskit.eval.metrics.AbstractMetric
AbstractPollingCursor<T> - Class in org.grouplens.lenskit.cursors: An extension of AbstractCursor that simplifies the mechanics of the next()/hasNext() implementation to a simple method, AbstractPollingCursor.poll().
AbstractPollingCursor() - Constructor for class org.grouplens.lenskit.cursors.AbstractPollingCursor: Construct a cursor of unknown size.
AbstractPollingCursor(int) - Constructor for class org.grouplens.lenskit.cursors.AbstractPollingCursor: Construct a cursor with a known number of rows.
AbstractPreference - Class in org.grouplens.lenskit.data.pref: Helper class providing equality over preferences.
AbstractPreference() - Constructor for class org.grouplens.lenskit.data.pref.AbstractPreference
AbstractPreferenceSnapshot - Class in org.grouplens.lenskit.data.snapshot: Base class for implementing preference snapshots.
AbstractPreferenceSnapshot() - Constructor for class org.grouplens.lenskit.data.snapshot.AbstractPreferenceSnapshot: Initialize the snapshot.
AbstractRatingPredictor - Class in org.grouplens.lenskit.basic: Base class to make rating predictors easier to implement.
AbstractRatingPredictor() - Constructor for class org.grouplens.lenskit.basic.AbstractRatingPredictor
AbstractScoredId - Class in org.grouplens.lenskit.scored: A base class for ScoredId implementations providing equals and hashCode methods.
AbstractScoredId() - Constructor for class org.grouplens.lenskit.scored.AbstractScoredId
AbstractTableWriter - Class in org.grouplens.lenskit.util.table.writer: Abstract helper class for implementing table writers.
AbstractTableWriter() - Constructor for class org.grouplens.lenskit.util.table.writer.AbstractTableWriter
AbstractTask<T> - Class in org.grouplens.lenskit.eval: Base class to simplify writing EvalTasks.
AbstractTask() - Constructor for class org.grouplens.lenskit.eval.AbstractTask: Initialize a command with no name.
AbstractTask(String) - Constructor for class org.grouplens.lenskit.eval.AbstractTask: Initialize a command.
AbstractTestUser - Class in org.grouplens.lenskit.eval.traintest: Helper class for implementing TestUser.
AbstractTestUser() - Constructor for class org.grouplens.lenskit.eval.traintest.AbstractTestUser
AbstractUserHistory<E extends Event> - Class in org.grouplens.lenskit.data.history: An abstract implementation of UserHistory to provide default implementations of convenience methods.
AbstractUserHistory() - Constructor for class org.grouplens.lenskit.data.history.AbstractUserHistory
AbstractUserVectorNormalizer - Class in org.grouplens.lenskit.transform.normalize: Abstract user vector normalizer implementation.
AbstractUserVectorNormalizer() - Constructor for class org.grouplens.lenskit.transform.normalize.AbstractUserVectorNormalizer
AbstractVectorNormalizer - Class in org.grouplens.lenskit.transform.normalize: Abstract vector normalizer implementation.
AbstractVectorNormalizer() - Constructor for class org.grouplens.lenskit.transform.normalize.AbstractVectorNormalizer
acquire() - Method in class org.grouplens.lenskit.collections.LongKeyDomain: Mark the key set as owned, but don't copy it.
activate(BitSet) - Method in class org.grouplens.lenskit.collections.LongKeyDomain: Activate bits from a bit set.
activeIndexIterator(boolean) - Method in class org.grouplens.lenskit.collections.LongKeyDomain: Get an iterator over active indexes.
activeIndexIterator(int, int, int) - Method in class org.grouplens.lenskit.collections.LongKeyDomain: Get an iterator over active indexes, initialized to the specified index and limited to a particular range.
activeSetView() - Method in class org.grouplens.lenskit.collections.LongKeyDomain: Get a vew of this key set as a set.
add(int, long) - Method in class org.grouplens.lenskit.collections.CompactableLongArrayList
add(long) - Method in class org.grouplens.lenskit.collections.CompactableLongArrayList
add(E) - Method in class org.grouplens.lenskit.data.history.BasicItemEventList
add(int, E) - Method in class org.grouplens.lenskit.data.history.BasicItemEventList
add(long) - Method in class org.grouplens.lenskit.indexes.IdIndexMappingBuilder: Add an ID to the index.
add(long, double) - Method in class org.grouplens.lenskit.scored.ScoredIdListBuilder: Add a scored ID without boxing.
add(ScoredId) - Method in class org.grouplens.lenskit.scored.ScoredIdListBuilder: Add a scored ID.
add(double) - Method in class org.grouplens.lenskit.util.statistics.MeanAccumulator: Add a new datum to the MeanAccumulator.
add(long, double) - Method in class org.grouplens.lenskit.vectors.MutableSparseVector: Add a value to the specified entry.
add(double) - Method in class org.grouplens.lenskit.vectors.MutableSparseVector: Add a value to all set keys in this array.
add(SparseVector) - Method in class org.grouplens.lenskit.vectors.MutableSparseVector: Add another rating vector to this one.
add(int, double) - Method in class org.grouplens.lenskit.vectors.MutableVec: Deprecated.

Add a value to an entry in this vector.
add(Vec) - Method in class org.grouplens.lenskit.vectors.MutableVec: Deprecated.

Add another vector to this vector.
addAlgorithm(AlgorithmInstance) - Method in class org.grouplens.lenskit.eval.traintest.SimpleEvaluator: Adds an algorithmInfo to the TrainTestEvalCommand being built.
addAlgorithm(String, LenskitConfiguration) - Method in class org.grouplens.lenskit.eval.traintest.SimpleEvaluator: An algorithm instance constructed with a name and Lenskit configuration
addAlgorithm(AlgorithmInstanceBuilder) - Method in class org.grouplens.lenskit.eval.traintest.SimpleEvaluator: Adds a fully configured algorithmInfo command to the TrainTestEvalCommand being built.
addAlgorithm(AlgorithmInstance) - Method in class org.grouplens.lenskit.eval.traintest.TrainTestEvalTask
addAlgorithm(Map<String, Object>, String) - Method in class org.grouplens.lenskit.eval.traintest.TrainTestEvalTask
addAll(int, Collection<? extends Long>) - Method in class org.grouplens.lenskit.collections.CompactableLongArrayList
addAll(Collection<? extends Long>) - Method in class org.grouplens.lenskit.collections.CompactableLongArrayList
addAll(Collection<? extends E>) - Method in class org.grouplens.lenskit.data.history.BasicItemEventList
addAll(int, Collection<? extends E>) - Method in class org.grouplens.lenskit.data.history.BasicItemEventList
addAll(Collection<? extends Long>) - Method in class org.grouplens.lenskit.indexes.IdIndexMappingBuilder
addAll(Iterable<ScoredId>) - Method in class org.grouplens.lenskit.scored.ScoredIdListBuilder: Add a collection of IDs.
addArgument(String) - Method in class org.grouplens.lenskit.external.ExternalProcessItemScorerBuilder: Add a command line argument.
addArguments(Collection<String>) - Method in class org.grouplens.lenskit.external.ExternalProcessItemScorerBuilder: Add some command line arguments.
addArguments(String...) - Method in class org.grouplens.lenskit.external.ExternalProcessItemScorerBuilder: Add some command line arguments.
addBindings(BindingFunctionBuilder) - Method in class org.grouplens.lenskit.inject.RecommenderGraphBuilder: Add bindings to the graph builder.
addChannel(Symbol, String) - Method in class org.grouplens.lenskit.eval.traintest.OutputPredictMetric.FactoryBuilder
addChannel(String, String) - Method in class org.grouplens.lenskit.eval.traintest.OutputPredictMetric.FactoryBuilder
addChannel(Symbol, double) - Method in class org.grouplens.lenskit.scored.ScoredIdBuilder: Add a new unboxed side channel to the ScoredId under construction.
addChannel(TypedSymbol<K>, K) - Method in class org.grouplens.lenskit.scored.ScoredIdBuilder: Add a new side channel to the ScoredId under construction.
addChannel(Symbol) - Method in class org.grouplens.lenskit.scored.ScoredIdListBuilder: Add a side channel to the list builder with a default value of 0.
addChannel(Symbol, double) - Method in class org.grouplens.lenskit.scored.ScoredIdListBuilder: Add a side channel to the list builder.
addChannel(TypedSymbol<?>) - Method in class org.grouplens.lenskit.scored.ScoredIdListBuilder: Add a side channel to the list builder.
addChannel(TypedSymbol<T>, T) - Method in class org.grouplens.lenskit.scored.ScoredIdListBuilder: Add a typed side channel to the list builder.
addChannel(TypedSymbol<K>) - Method in class org.grouplens.lenskit.vectors.MutableSparseVector: Add a typed channel to this vector.
addChannels(Iterable<Symbol>) - Method in class org.grouplens.lenskit.scored.ScoredIdListBuilder: Add multiple unboxed channels with a default value of 0.
addChannelVector(Symbol) - Method in class org.grouplens.lenskit.vectors.MutableSparseVector: Add a channel to this vector.
addColumn(String) - Method in class org.grouplens.lenskit.util.table.TableLayoutBuilder: Add a column to the table layout.
addComponent(Object) - Method in class org.grouplens.lenskit.config.BindingDSL
addComponent(Object) - Method in interface org.grouplens.lenskit.core.LenskitConfigContext: Add a component object to the injector.
addComponent(Class<?>) - Method in interface org.grouplens.lenskit.core.LenskitConfigContext: Add a component type to the injector.
addComponent(Object) - Method in class org.grouplens.lenskit.inject.AbstractConfigContext
addComponent(Class<?>) - Method in class org.grouplens.lenskit.inject.AbstractConfigContext
addConfiguration(LenskitConfiguration) - Method in class org.grouplens.lenskit.core.LenskitRecommenderEngineBuilder: Add a configuration to be included in the recommender engine.
addConfiguration(LenskitConfiguration, ModelDisposition) - Method in class org.grouplens.lenskit.core.LenskitRecommenderEngineBuilder: Add a configuration to be used when building the engine.
addConfiguration(LenskitConfiguration) - Method in class org.grouplens.lenskit.core.LenskitRecommenderEngineLoader: Add a configuration to use when loading the configuration.
addConfiguration(LenskitConfiguration) - Method in class org.grouplens.lenskit.inject.RecommenderGraphBuilder: Add a recommender configuration.
addDataset(TTDataSet) - Method in class org.grouplens.lenskit.eval.data.pack.PackTask
addDataset(DataSource) - Method in class org.grouplens.lenskit.eval.data.pack.PackTask
addDataset(CrossfoldTask) - Method in class org.grouplens.lenskit.eval.traintest.SimpleEvaluator: Calls the CrossfoldCommand and adds the resulting TTDataSets to the TrainTestEvalCommand.
addDataset(String, DataSource, int, double) - Method in class org.grouplens.lenskit.eval.traintest.SimpleEvaluator: Add a new data set to be cross-folded.
addDataset(DataSource, int, double) - Method in class org.grouplens.lenskit.eval.traintest.SimpleEvaluator: Add a new data set to be cross-folded.
addDataset(String, DataSource, int) - Method in class org.grouplens.lenskit.eval.traintest.SimpleEvaluator: Add a new data set to be cross-folded.
addDataset(DataSource, int) - Method in class org.grouplens.lenskit.eval.traintest.SimpleEvaluator: Add a new data set to be cross-folded.
addDataset(TTDataSet) - Method in class org.grouplens.lenskit.eval.traintest.SimpleEvaluator: Adds a single TTDataSet to the TrainTestEvalCommand.
addDataset(String, EventDAO, EventDAO, PreferenceDomain) - Method in class org.grouplens.lenskit.eval.traintest.SimpleEvaluator: This constructs a new TTDataSet and passes it to the TrainTestEvalCommand.
addDataset(DataSource, DataSource) - Method in class org.grouplens.lenskit.eval.traintest.SimpleEvaluator: This constructs a new TTDataSet and passes it to the TrainTestEvalCommand.
addDataset(TTDataSet) - Method in class org.grouplens.lenskit.eval.traintest.TrainTestEvalTask
addExternalAlgorithm(ExternalAlgorithm) - Method in class org.grouplens.lenskit.eval.traintest.TrainTestEvalTask
addInput(long) - Method in class org.grouplens.lenskit.util.io.UpToDateChecker: Add an input timestamp.
addInput(File) - Method in class org.grouplens.lenskit.util.io.UpToDateChecker: Add an input file.
addItemFileArgument(ItemDAO, String) - Method in class org.grouplens.lenskit.external.ExternalProcessItemScorerBuilder: Add a list of items as a command-line argument.
addItemFileArgument(ItemDAO) - Method in class org.grouplens.lenskit.external.ExternalProcessItemScorerBuilder: Add a list of items as a command-line argument.
addListener(Runnable, Executor) - Method in class org.grouplens.lenskit.eval.EvalTarget
addLoggingGroup(ArgumentParser) - Static method in class org.grouplens.lenskit.cli.Logging
addMetric(Metric<?>) - Method in class org.grouplens.lenskit.eval.traintest.SimpleEvaluator: Adds a completed metric to the TrainTestEvalCommand
addMetric(Class<? extends Metric<T>>) - Method in class org.grouplens.lenskit.eval.traintest.SimpleEvaluator: Adds a completed metric to the TrainTestEvalCommand
addMetric(Metric<?>) - Method in class org.grouplens.lenskit.eval.traintest.TrainTestEvalTask: Add a metric.
addMetric(MetricFactory<?>) - Method in class org.grouplens.lenskit.eval.traintest.TrainTestEvalTask: Add a metric by factory.
addMetric(Class<? extends Metric<T>>) - Method in class org.grouplens.lenskit.eval.traintest.TrainTestEvalTask: Add a metric by class.
addMetric(List<String>, Function<Recommender, List<Object>>) - Method in class org.grouplens.lenskit.eval.traintest.TrainTestEvalTask: Add a metric that takes some metric of an algorithmInfo.
addMultiMetric(File, List<String>, Function<Recommender, List<List<Object>>>) - Method in class org.grouplens.lenskit.eval.traintest.TrainTestEvalTask: Add a metric that may write multiple columns per algorithmInfo.
addNRandom(ItemSelector, int) - Static method in class org.grouplens.lenskit.eval.metrics.topn.ItemSelectors: Select items selected by a selector, plus additional randomly-selected items.
addOutput(long) - Method in class org.grouplens.lenskit.util.io.UpToDateChecker: Add an output timestamp.
addOutput(File) - Method in class org.grouplens.lenskit.util.io.UpToDateChecker: Add an output file to check.
addRatingFileArgument(EventDAO, String) - Method in class org.grouplens.lenskit.external.ExternalProcessItemScorerBuilder: Add a list of ratings as a command-line argument.
addRatingFileArgument(EventDAO) - Method in class org.grouplens.lenskit.external.ExternalProcessItemScorerBuilder: Add a list of ratings as a command-line argument.
addRoot(Class<?>) - Method in class org.grouplens.lenskit.core.LenskitConfiguration: Add the specified component type as a root component.
addRoots(Iterable<Class<?>>) - Method in class org.grouplens.lenskit.inject.RecommenderGraphBuilder: Add roots to the graph builder.
addRow(List<?>) - Method in class org.grouplens.lenskit.util.table.TableBuilder: Add a row to the table.
addRow(Object...) - Method in class org.grouplens.lenskit.util.table.TableBuilder: Add a row to the table.
addScaled(SparseVector, double) - Method in class org.grouplens.lenskit.vectors.MutableSparseVector: Add a vector to this vector with a scaling factor.
addScore(long, long, double) - Method in class org.grouplens.lenskit.basic.PrecomputedItemScorer.Builder: Add a score.
addTask(Task) - Method in class org.grouplens.lenskit.eval.EvalTarget
addTestEvent(Event) - Method in class org.grouplens.lenskit.eval.traintest.MockTestUser.Builder
addTestRating(long, double) - Method in class org.grouplens.lenskit.eval.traintest.MockTestUser.Builder
addTrainEvent(Event) - Method in class org.grouplens.lenskit.eval.traintest.MockTestUser.Builder
addTrainingRound(double) - Method in class org.grouplens.lenskit.mf.funksvd.FeatureInfo.Builder: Add the error for a training round.
addTrainRating(long, double) - Method in class org.grouplens.lenskit.eval.traintest.MockTestUser.Builder
addTypedChannels(Iterable<? extends TypedSymbol<?>>) - Method in class org.grouplens.lenskit.scored.ScoredIdListBuilder: Add multiple channels with a default value of null.
addUser(long, SparseVector) - Method in class org.grouplens.lenskit.basic.PrecomputedItemScorer.Builder: Add an user's entire score vector to the mock scorer.
addUser(int, double, double) - Method in class org.grouplens.lenskit.eval.metrics.predict.MAEPredictMetric.Context
addUserFileArgument(UserDAO, String) - Method in class org.grouplens.lenskit.external.ExternalProcessItemScorerBuilder: Add a list of users as a command-line argument.
addUserFileArgument(UserDAO) - Method in class org.grouplens.lenskit.external.ExternalProcessItemScorerBuilder: Add a list of users as a command-line argument.
addWritePredictionChannel(Symbol) - Method in class org.grouplens.lenskit.eval.traintest.TrainTestEvalTask: Add a channel to be recorded with predict output.
addWritePredictionChannel(Symbol, String) - Method in class org.grouplens.lenskit.eval.traintest.TrainTestEvalTask: Deprecated.
Use the predictions metric.
AggregateResult(double, double) - Constructor for class org.grouplens.lenskit.eval.metrics.predict.MAEPredictMetric.AggregateResult
AggregateResult(double, double) - Constructor for class org.grouplens.lenskit.eval.metrics.predict.RMSEPredictMetric.AggregateResult
AggregateResult(MAPTopNMetric.Context) - Constructor for class org.grouplens.lenskit.eval.metrics.topn.MAPTopNMetric.AggregateResult
AggregateResult(MRRTopNMetric.Context) - Constructor for class org.grouplens.lenskit.eval.metrics.topn.MRRTopNMetric.AggregateResult
algorithm - Variable in class org.grouplens.lenskit.knn.item.ItemItemGlobalScorer
algorithm - Variable in class org.grouplens.lenskit.knn.item.ItemItemScorer
AlgorithmInstance - Class in org.grouplens.lenskit.eval.algorithm: An instance of a recommender algorithmInfo to be benchmarked.
AlgorithmInstance(String, LenskitConfiguration) - Constructor for class org.grouplens.lenskit.eval.algorithm.AlgorithmInstance
AlgorithmInstance(String, LenskitConfiguration, Map<String, Object>, boolean) - Constructor for class org.grouplens.lenskit.eval.algorithm.AlgorithmInstance
AlgorithmInstanceBuilder - Class in org.grouplens.lenskit.eval.algorithm: Command to get a algorithmInfo instances.
AlgorithmInstanceBuilder() - Constructor for class org.grouplens.lenskit.eval.algorithm.AlgorithmInstanceBuilder
AlgorithmInstanceBuilder(String) - Constructor for class org.grouplens.lenskit.eval.algorithm.AlgorithmInstanceBuilder
AlgorithmInstanceBuilderDelegate - Class in org.grouplens.lenskit.eval.algorithm: Groovy delegate for configuring AlgorithmInstanceCommands.
AlgorithmInstanceBuilderDelegate(AlgorithmInstanceBuilder) - Constructor for class org.grouplens.lenskit.eval.algorithm.AlgorithmInstanceBuilderDelegate
AlgorithmTestAccumulator - Interface in org.grouplens.lenskit.eval.results: Accumulates the results of a single test pass on a single algorithmInfo.
allItems() - Static method in class org.grouplens.lenskit.eval.metrics.topn.ItemSelectors: Item selector that selects all items.
allItemsExcept(ItemSelector) - Static method in class org.grouplens.lenskit.eval.metrics.topn.ItemSelectors
ANALYSIS_DIR_PROPERTY - Static variable in class org.grouplens.lenskit.eval.EvalConfig
ant(Closure<?>) - Method in class org.grouplens.lenskit.eval.script.EvalScript: Invoke an Ant block.
ant(Closure<?>) - Method in class org.grouplens.lenskit.eval.script.TargetDelegate: Invoke an Ant block.
apply(String, EventBuilder) - Method in interface org.grouplens.lenskit.data.text.Field: Apply the field's value to the builder.
apply(List<E>, Random) - Method in interface org.grouplens.lenskit.eval.data.crossfold.Order: Apply the ordering.
apply(List<E>, Random) - Method in class org.grouplens.lenskit.eval.data.crossfold.RandomOrder
apply(List<E>, Random) - Method in class org.grouplens.lenskit.eval.data.crossfold.TimestampOrder
apply(DAGNode<Component, Dependency>) - Method in class org.grouplens.lenskit.inject.NodeInstantiator
apply(double, AVector, AVector) - Method in interface org.grouplens.lenskit.mf.svd.BiasedMFKernel: Apply the kernel function.
apply(double, AVector, AVector) - Method in class org.grouplens.lenskit.mf.svd.DomainClampingKernel
apply(double, AVector, AVector) - Method in class org.grouplens.lenskit.mf.svd.DotProductKernel
apply(long, long, double) - Method in interface org.grouplens.lenskit.transform.clamp.ClampingFunction: Clamp a value.
apply(long, long, double) - Method in class org.grouplens.lenskit.transform.clamp.IdentityClampingFunction
apply(long, long, double) - Method in class org.grouplens.lenskit.transform.clamp.RatingRangeClampingFunction
apply(MutableSparseVector) - Method in interface org.grouplens.lenskit.transform.normalize.VectorTransformation: Apply the vector transformation in-place to a vector.
asLongCollection(Collection<Long>) - Static method in class org.grouplens.lenskit.collections.LongUtils: Get a Fastutil LongCollection from a Collection of longs.
asLongSet(Set<Long>) - Static method in class org.grouplens.lenskit.collections.LongUtils: Get a Fastutil LongSet from a Set of longs.
asMap() - Method in interface org.grouplens.lenskit.util.table.Row: Get a view of this row as a map.
asSubclass(Class<T>) - Static method in class org.grouplens.lenskit.util.TypeUtils: Function that casts classes to specified types.
at(Class<?>) - Method in class org.grouplens.lenskit.config.BindingDSL
at(Class<?>, Closure<?>) - Method in class org.grouplens.lenskit.config.BindingDSL: Configure inside an anchored context using a block.
at(Class<? extends Annotation>, Class<?>) - Method in class org.grouplens.lenskit.config.BindingDSL
at(Class<? extends Annotation>, Class<?>, Closure<?>) - Method in class org.grouplens.lenskit.config.BindingDSL: Enclose a block of configuration in a context.
at(Annotation, Class<?>) - Method in class org.grouplens.lenskit.config.BindingDSL
at(Annotation, Class<?>, Closure<?>) - Method in class org.grouplens.lenskit.config.BindingDSL: Enclose a block of configuration in a context.
at(Class<?>) - Method in interface org.grouplens.lenskit.core.LenskitConfigContext
at(Class<? extends Annotation>, Class<?>) - Method in interface org.grouplens.lenskit.core.LenskitConfigContext
at(Annotation, Class<?>) - Method in interface org.grouplens.lenskit.core.LenskitConfigContext
at(Class<?>) - Method in class org.grouplens.lenskit.core.LenskitConfiguration
at(Class<? extends Annotation>, Class<?>) - Method in class org.grouplens.lenskit.core.LenskitConfiguration
at(Annotation, Class<?>) - Method in class org.grouplens.lenskit.core.LenskitConfiguration
Attributed - Interface in org.grouplens.lenskit.eval: Interface for objects with names and attributes.
autodetect(String) - Static method in enum org.grouplens.lenskit.util.io.CompressionMode: Auto-detect a compression mode from a file name.
autodetect(File) - Static method in enum org.grouplens.lenskit.util.io.CompressionMode: Auto-detect a compression mode from a file's name.
AutoProvider(PreferenceDomain) - Constructor for class org.grouplens.lenskit.transform.quantize.PreferenceDomainQuantizer.AutoProvider
average() - Method in interface org.grouplens.lenskit.util.table.Column: Get the average of this column.
avgPrecision - Variable in class org.grouplens.lenskit.eval.metrics.topn.MAPTopNMetric.UserResult

B

BaselineScorer - Annotation Type in org.grouplens.lenskit.baseline: Annotation for the baseline scorer of a stacked item scorer, or an item scorer used as a baseline in another component.
baselineScorer - Variable in class org.grouplens.lenskit.transform.normalize.BaselineSubtractingUserVectorNormalizer
BaselineSubtractingUserVectorNormalizer - Class in org.grouplens.lenskit.transform.normalize: User vector normalizer that subtracts a user's baseline scores.
BaselineSubtractingUserVectorNormalizer(ItemScorer) - Constructor for class org.grouplens.lenskit.transform.normalize.BaselineSubtractingUserVectorNormalizer: Create a new baseline-subtracting normalizer with the given baseline.
BasicItemEventList<E extends Event> - Class in org.grouplens.lenskit.data.history: List-backed item event collection.
BasicItemEventList(long, Iterable<? extends E>) - Constructor for class org.grouplens.lenskit.data.history.BasicItemEventList: Construct an item event list.
BasicNeighborIterationStrategy - Class in org.grouplens.lenskit.knn.item.model: Neighbor iteration strategy that considers all items to be candidate neighbors.
BasicNeighborIterationStrategy() - Constructor for class org.grouplens.lenskit.knn.item.model.BasicNeighborIterationStrategy
BasicSQLStatementFactory - Class in org.grouplens.lenskit.data.sql: Default implementation of the SQL statement factory.
BasicSQLStatementFactory() - Constructor for class org.grouplens.lenskit.data.sql.BasicSQLStatementFactory
BasicUserHistory<E extends Event> - Class in org.grouplens.lenskit.data.history: Basic user rating profile backed by a collection of ratings.
begin(File) - Static method in class org.grouplens.lenskit.util.io.StagedWrite: Begin a staged file writing operation.
BiasedMFItemScorer - Class in org.grouplens.lenskit.mf.svd: Item scorer using biased matrix factorization.
BiasedMFItemScorer(MFModel, BiasedMFKernel, ItemScorer) - Constructor for class org.grouplens.lenskit.mf.svd.BiasedMFItemScorer: Create a new biased MF item scorer.
BiasedMFKernel - Interface in org.grouplens.lenskit.mf.svd: A kernel for biased matrix factorization.
BinaryFormatFlag - Enum in org.grouplens.lenskit.data.dao.packed: Flags for the binary output format.
BinaryRatingDAO - Class in org.grouplens.lenskit.data.dao.packed: DAO implementation using binary-packed data.
BinaryRatingDAO.Loader - Class in org.grouplens.lenskit.data.dao.packed
BinaryRatingFile - Annotation Type in org.grouplens.lenskit.data.dao.packed: Parameter for the backing file for the rating DAO.
BinaryRatingPacker - Class in org.grouplens.lenskit.data.dao.packed: Creates rating pack files for the BinaryRatingDAO.
BinaryUtils - Class in org.grouplens.lenskit.data.dao.packed
bind(Class<T>) - Method in class org.grouplens.lenskit.config.BindingDSL
bind(Class<? extends Annotation>, Class<T>) - Method in class org.grouplens.lenskit.config.BindingDSL
bind(Class<T>) - Method in interface org.grouplens.lenskit.core.LenskitConfigContext
bind(Class<? extends Annotation>, Class<T>) - Method in interface org.grouplens.lenskit.core.LenskitConfigContext
bind(Class<T>) - Method in class org.grouplens.lenskit.core.LenskitConfiguration
bind(Class<? extends Annotation>, Class<T>) - Method in class org.grouplens.lenskit.inject.AbstractConfigContext
bindAny(Class<T>) - Method in class org.grouplens.lenskit.config.BindingDSL
bindAny(Class<T>) - Method in interface org.grouplens.lenskit.core.LenskitConfigContext
bindAny(Class<T>) - Method in class org.grouplens.lenskit.inject.AbstractConfigContext
BindingDSL - Class in org.grouplens.lenskit.config: Groovy DSL definition for configuring LensKit recommenders.
BitSetIterator - Class in org.grouplens.lenskit.collections: Iterator over the set bits in a BitSet, returning the indexes of the set bits, in order from 0 to highest index of a set bit.
BitSetIterator(BitSet) - Constructor for class org.grouplens.lenskit.collections.BitSetIterator: Construct an iterator over a bit set.
BitSetIterator(BitSet, int) - Constructor for class org.grouplens.lenskit.collections.BitSetIterator: Construct an iterator over a bit set, starting at a desired index.
BitSetIterator(BitSet, int, int) - Constructor for class org.grouplens.lenskit.collections.BitSetIterator: Create an iterator starting at a particular bit and ending at another index.
BitSetIterator(BitSet, int, int, int) - Constructor for class org.grouplens.lenskit.collections.BitSetIterator: Create an iterator starting at a particular bit and ending at another index, with an initial position that may not be at the beginning.
build() - Method in class org.grouplens.lenskit.basic.PrecomputedItemScorer.Builder: Construct the mock item scorer.
build(LenskitConfiguration) - Static method in class org.grouplens.lenskit.core.LenskitRecommender: Build a recommender from a configuration.
build(LenskitConfiguration) - Static method in class org.grouplens.lenskit.core.LenskitRecommenderEngine: Build a LensKit recommender engine from a configuration.
build() - Method in class org.grouplens.lenskit.core.LenskitRecommenderEngineBuilder: Build the recommender engine.
build() - Method in interface org.grouplens.lenskit.data.event.EventBuilder: Builds the event.
build() - Method in class org.grouplens.lenskit.data.event.LikeBatchBuilder
build() - Method in class org.grouplens.lenskit.data.event.LikeBuilder
build() - Method in class org.grouplens.lenskit.data.event.RatingBuilder
build() - Method in class org.grouplens.lenskit.data.pref.IndexedPreferenceBuilder: Build the indexed preference.
build() - Method in class org.grouplens.lenskit.data.pref.PreferenceBuilder
build() - Method in class org.grouplens.lenskit.data.pref.PreferenceDomainBuilder
build() - Method in class org.grouplens.lenskit.data.source.PackedDataSourceBuilder
build() - Method in class org.grouplens.lenskit.data.source.TextDataSourceBuilder: Build the data source.
build(Connection) - Method in class org.grouplens.lenskit.data.sql.JDBCRatingDAOBuilder: Create a DAO backed by a database connection.
build() - Method in class org.grouplens.lenskit.eval.algorithm.AlgorithmInstanceBuilder
build() - Method in class org.grouplens.lenskit.eval.data.traintest.GenericTTDataBuilder
build() - Method in class org.grouplens.lenskit.eval.ExecutionInfo.Builder
build() - Method in class org.grouplens.lenskit.eval.metrics.topn.IndependentRecallTopNMetric.Builder
build() - Method in class org.grouplens.lenskit.eval.metrics.topn.MAPTopNMetric.Builder
build() - Method in class org.grouplens.lenskit.eval.metrics.topn.MRRTopNMetric.Builder
build() - Method in class org.grouplens.lenskit.eval.metrics.topn.NDCGTopNMetric.Builder
build() - Method in class org.grouplens.lenskit.eval.metrics.topn.PrecisionRecallTopNMetric.Builder
build() - Method in class org.grouplens.lenskit.eval.metrics.topn.TopNEntropyMetric.Builder
build() - Method in class org.grouplens.lenskit.eval.metrics.topn.TopNLengthMetric.Builder
build() - Method in class org.grouplens.lenskit.eval.metrics.topn.TopNMetricBuilder
build() - Method in class org.grouplens.lenskit.eval.metrics.topn.TopNPopularityMetric.Builder
build() - Method in class org.grouplens.lenskit.eval.traintest.ExternalAlgorithmBuilder
build() - Method in class org.grouplens.lenskit.eval.traintest.MockTestUser.Builder
build() - Method in class org.grouplens.lenskit.eval.traintest.OutputPredictMetric.FactoryBuilder
build() - Method in class org.grouplens.lenskit.eval.traintest.OutputTopNMetric.FactoryBuilder
build() - Method in class org.grouplens.lenskit.external.ExternalProcessItemScorerBuilder: Build the item scorer.
build() - Method in class org.grouplens.lenskit.indexes.IdIndexMappingBuilder
build() - Method in class org.grouplens.lenskit.mf.funksvd.FeatureInfo.Builder
build() - Method in class org.grouplens.lenskit.scored.ScoredIdBuilder: Finish constructing the ScoredId and instantiate it.
build() - Method in class org.grouplens.lenskit.scored.ScoredIdListBuilder
build() - Method in class org.grouplens.lenskit.util.table.TableBuilder
build() - Method in class org.grouplens.lenskit.util.table.TableLayoutBuilder
buildDependencySolver() - Method in class org.grouplens.lenskit.inject.RecommenderGraphBuilder: Build a dependency solver from the provided bindings.
buildDependencySolverImpl(RecommenderGraphBuilder.SolveDirection) - Method in class org.grouplens.lenskit.inject.RecommenderGraphBuilder
buildDependencyUnsolver() - Method in class org.grouplens.lenskit.inject.RecommenderGraphBuilder: Build a dependency 'unsolver' from the provided bindings.
Builder(EventDAO) - Constructor for class org.grouplens.lenskit.baseline.GlobalMeanRatingItemScorer.Builder: Construct a new provider.
Builder(EventDAO, double) - Constructor for class org.grouplens.lenskit.baseline.ItemMeanRatingItemScorer.Builder: Construct a new provider.
Builder(double, double, PreferenceSnapshot, StoppingCondition) - Constructor for class org.grouplens.lenskit.baseline.LeastSquaresItemScorer.Builder: Create a new builder.
Builder() - Constructor for class org.grouplens.lenskit.basic.PrecomputedItemScorer.Builder
Builder(EventDAO, boolean) - Constructor for class org.grouplens.lenskit.data.dao.packed.RatingSnapshotDAO.Builder
Builder() - Constructor for class org.grouplens.lenskit.eval.ExecutionInfo.Builder
Builder() - Constructor for class org.grouplens.lenskit.eval.metrics.topn.IndependentRecallTopNMetric.Builder
Builder() - Constructor for class org.grouplens.lenskit.eval.metrics.topn.MAPTopNMetric.Builder
Builder() - Constructor for class org.grouplens.lenskit.eval.metrics.topn.MRRTopNMetric.Builder
Builder() - Constructor for class org.grouplens.lenskit.eval.metrics.topn.NDCGTopNMetric.Builder
Builder() - Constructor for class org.grouplens.lenskit.eval.metrics.topn.PrecisionRecallTopNMetric.Builder
Builder() - Constructor for class org.grouplens.lenskit.eval.metrics.topn.TopNEntropyMetric.Builder
Builder() - Constructor for class org.grouplens.lenskit.eval.metrics.topn.TopNLengthMetric.Builder
Builder() - Constructor for class org.grouplens.lenskit.eval.metrics.topn.TopNPopularityMetric.Builder
Builder() - Constructor for class org.grouplens.lenskit.eval.traintest.MockTestUser.Builder
Builder(UserEventDAO, UserVectorNormalizer, UserHistorySummarizer) - Constructor for class org.grouplens.lenskit.knn.user.UserSnapshot.Builder
Builder(int) - Constructor for class org.grouplens.lenskit.mf.funksvd.FeatureInfo.Builder: Construct a new builder.
Builder(EventDAO, double) - Constructor for class org.grouplens.lenskit.transform.normalize.MeanVarianceNormalizer.Builder: Create a new mean-variance normalizer builder.
buildGraph() - Method in class org.grouplens.lenskit.core.LenskitConfiguration: Deprecated.
This shouldn't be used anymore.
buildGraph() - Method in class org.grouplens.lenskit.inject.RecommenderGraphBuilder
buildMatrix() - Method in class org.grouplens.lenskit.slopeone.SlopeOneModelDataAccumulator
buildObject(Builder<T>, Map<String, Object>) - Static method in class org.grouplens.lenskit.config.GroovyUtils: Build an object using named arguments.
buildRecommender(LenskitConfiguration) - Method in class org.grouplens.lenskit.eval.algorithm.AlgorithmInstance: Build a recommender.
buildRecommenderGraph(LenskitConfiguration) - Method in class org.grouplens.lenskit.eval.algorithm.AlgorithmInstance: Build a recommender graph (but don't instantiate any objects).
buildVector() - Method in class org.grouplens.lenskit.scored.ScoredIdListBuilder: Build a sparse vector directly from the list of IDs.
BuiltBy - Annotation Type in org.grouplens.lenskit.eval.script: Specify the command for the default type of this class/interface to which it is applied.

C

cache - Variable in class org.grouplens.lenskit.data.snapshot.AbstractPreferenceSnapshot: The user vector cache.
CachedPreparedStatement - Class in org.grouplens.lenskit.data.sql: A simple object that wraps a lazy initialized PreparedStatement.
CachedPreparedStatement(Connection, String) - Constructor for class org.grouplens.lenskit.data.sql.CachedPreparedStatement: Create a new cached prepared statement.
CachingDAOProvider<T> - Class in org.grouplens.lenskit.eval.traintest: Caching provider to reduce the duplication of DAO instances in evaluations.
CachingDAOProvider.Item - Class in org.grouplens.lenskit.eval.traintest
CachingDAOProvider.ItemEvent - Class in org.grouplens.lenskit.eval.traintest
CachingDAOProvider.User - Class in org.grouplens.lenskit.eval.traintest
CachingDAOProvider.UserEvent - Class in org.grouplens.lenskit.eval.traintest
call() - Method in class org.grouplens.lenskit.data.sql.CachedPreparedStatement: Get the prepared statement, creating one if necessary.
call() - Method in class org.grouplens.lenskit.eval.traintest.SimpleEvaluator: If this is called more than once it will call of these commands again and most likely throw an exception.
callExternalMethod(String, Object...) - Method in class org.grouplens.lenskit.eval.script.ConfigMethodInvoker: Find an external method (a builder or task) and return a closure that, when invoked, constructs and configures it.
callWithDelegate(Closure<?>, Object) - Static method in class org.grouplens.lenskit.config.GroovyUtils: Call a configuration block with a specified delegate.
cancel(boolean) - Method in class org.grouplens.lenskit.eval.EvalTarget
candidates - Variable in class org.grouplens.lenskit.eval.metrics.topn.TopNMetricBuilder
cast(Class<T>) - Static method in class org.grouplens.lenskit.util.Functional: Identity function casting its arguments to a particular type.
channelOrder(Symbol) - Static method in class org.grouplens.lenskit.scored.ScoredIds: An ordering (comparator) that compares IDs by channel.
channelOrder(TypedSymbol<T>) - Static method in class org.grouplens.lenskit.scored.ScoredIds: An ordering (comparator) that compares IDs by typed channel.
channelOrder(TypedSymbol<T>, Comparator<? super T>) - Static method in class org.grouplens.lenskit.scored.ScoredIds: An ordering (comparator) that compares IDs by typed channel.
checkForPlaceholders(DAGNode<Component, Dependency>, Logger) - Static method in class org.grouplens.lenskit.inject.GraphtUtils: Check a graph for placeholder satisfactions.
checkRowWidth(int) - Method in class org.grouplens.lenskit.util.table.writer.AbstractTableWriter: Check the width of a row to see if it is too wide.
ClampingFunction - Interface in org.grouplens.lenskit.transform.clamp: Function for clamping user-item data, typically a preference or rating.
clampValue(double) - Method in class org.grouplens.lenskit.data.pref.PreferenceDomain: Clamp a value to this preference domain.
clampVector(MutableSparseVector) - Method in class org.grouplens.lenskit.data.pref.PreferenceDomain
ClassDirectory - Class in org.grouplens.lenskit.util: Directory to look up where classes might be found.
classLoader - Variable in class org.grouplens.lenskit.eval.script.EvalScriptEngine
clear() - Method in class org.grouplens.lenskit.data.history.BasicItemEventList
clear() - Method in class org.grouplens.lenskit.scored.ScoredIdListBuilder: Clear the builder.
clear() - Method in class org.grouplens.lenskit.vectors.MutableSparseVector: Clear all values from the set.
clearChannels() - Method in class org.grouplens.lenskit.scored.ScoredIdBuilder: Removes all channels (typed and double) from new ScoredId objects produced by the builder.
clearDeps(Object) - Method in class org.grouplens.lenskit.eval.script.ConfigMethodInvoker
clearGroup() - Method in class org.grouplens.lenskit.cursors.GroupingCursor: Clear the accumulated group.
clearRating() - Method in class org.grouplens.lenskit.data.event.RatingBuilder: Clear the rating value (so this builder builds unrate events).
clearRoots() - Method in class org.grouplens.lenskit.core.LenskitConfiguration: Clear the set of roots, removing all configured and default roots.
clone() - Method in class org.grouplens.lenskit.collections.LongKeyDomain: Return a copy of this key set.
clone() - Method in class org.grouplens.lenskit.util.table.TableLayoutBuilder: Clone this layout command.
clone() - Method in class org.grouplens.lenskit.vectors.VectorEntry
close() - Method in class org.grouplens.lenskit.cursors.AbstractCursor: No-op implementation of the Cursor.close() method.
close() - Method in interface org.grouplens.lenskit.cursors.Cursor: Close the cursor.
close() - Method in class org.grouplens.lenskit.cursors.GroupingCursor
close() - Method in class org.grouplens.lenskit.data.dao.DelimitedTextRatingCursor: Deprecated.
close() - Method in class org.grouplens.lenskit.data.dao.packed.BinaryRatingPacker
close() - Method in class org.grouplens.lenskit.data.snapshot.AbstractPreferenceSnapshot
close() - Method in class org.grouplens.lenskit.data.snapshot.PackedPreferenceSnapshot
close() - Method in interface org.grouplens.lenskit.data.snapshot.PreferenceSnapshot: Close the build context.
close() - Method in class org.grouplens.lenskit.data.sql.CachedPreparedStatement: Close the prepared statement.
close() - Method in class org.grouplens.lenskit.data.sql.JDBCRatingDAO: Close the connection and all open statements.
close() - Method in class org.grouplens.lenskit.eval.metrics.AbstractMetric: Close the metric.
close() - Method in class org.grouplens.lenskit.eval.traintest.FunctionModelMetric
close() - Method in class org.grouplens.lenskit.eval.traintest.FunctionMultiModelMetric
close() - Method in class org.grouplens.lenskit.eval.traintest.OutputPredictMetric
close() - Method in class org.grouplens.lenskit.eval.traintest.OutputTopNMetric
close() - Method in class org.grouplens.lenskit.util.DelimitedTextCursor
close() - Method in class org.grouplens.lenskit.util.io.StagedWrite: Clean up the staged write, deleting the staging file if it still exists.
close() - Method in class org.grouplens.lenskit.util.LineCursor
close() - Method in class org.grouplens.lenskit.util.table.TableBuilder
close() - Method in class org.grouplens.lenskit.util.table.writer.AbstractTableWriter: No-op close implementaiton.
close() - Method in class org.grouplens.lenskit.util.table.writer.CSVWriter
close() - Method in class org.grouplens.lenskit.util.table.writer.MultiplexedTableWriter
close() - Method in interface org.grouplens.lenskit.util.table.writer.TableWriter: Finish the table.
closeConnection - Variable in class org.grouplens.lenskit.data.sql.JDBCRatingDAO
COL_ITEM_ID - Static variable in class org.grouplens.lenskit.data.sql.JDBCRatingDAO: Item ID column number.
COL_RATING - Static variable in class org.grouplens.lenskit.data.sql.JDBCRatingDAO: Rating column number.
COL_TIMESTAMP - Static variable in class org.grouplens.lenskit.data.sql.JDBCRatingDAO: Timestamp column number.
COL_USER_ID - Static variable in class org.grouplens.lenskit.data.sql.JDBCRatingDAO: User ID column number.
collectionFromVector(SparseVector) - Static method in class org.grouplens.lenskit.scored.ScoredIds: View a vector as a FastCollection of ScoredId objects.
CollectionUtils - Class in org.grouplens.lenskit.collections: Various helper methods for working with collections (particularly Fastutil collections).
Column - Interface in org.grouplens.lenskit.util.table: A view of a column of a table.
column(int) - Method in interface org.grouplens.lenskit.util.table.Table: Get a column by index.
column(String) - Method in interface org.grouplens.lenskit.util.table.Table: Get a column by name.
columnIndex(String) - Method in class org.grouplens.lenskit.util.table.TableLayout: Get the index of a particular column.
combineWith(SparseVector) - Method in class org.grouplens.lenskit.vectors.ImmutableSparseVector
combineWith(SparseVector) - Method in class org.grouplens.lenskit.vectors.MutableSparseVector
combineWith(SparseVector) - Method in class org.grouplens.lenskit.vectors.SparseVector: Combine this vector with another vector by taking the union of the key domains of two vectors.
Command - Interface in org.grouplens.lenskit.cli: Interface implemented by all CLI subcommands.
CommandSpec - Annotation Type in org.grouplens.lenskit.cli: Define the command-line interface for a command.
commit() - Method in class org.grouplens.lenskit.util.io.StagedWrite: Complete the staging write by replacing the target file with the staging file.
CompactableLongArrayList - Class in org.grouplens.lenskit.collections: A long array list that can use compact storage.
CompactableLongArrayList() - Constructor for class org.grouplens.lenskit.collections.CompactableLongArrayList
CompactableLongArrayList(int) - Constructor for class org.grouplens.lenskit.collections.CompactableLongArrayList
CompactableLongArrayList(Collection<? extends Long>) - Constructor for class org.grouplens.lenskit.collections.CompactableLongArrayList
compactCopy() - Method in class org.grouplens.lenskit.collections.LongKeyDomain: Make a compact copy of this key set.
compactCopy(boolean) - Method in class org.grouplens.lenskit.collections.LongKeyDomain: Make a compact copy of this key set.
CompressionMode - Enum in org.grouplens.lenskit.util.io
computeIdMeans(double, double) - Method in class org.grouplens.lenskit.util.IdMeanAccumulator: Compute the means for each ID.
computeMeanRating(EventDAO) - Static method in class org.grouplens.lenskit.baseline.GlobalMeanRatingItemScorer: Utility method to compute the mean or average of the rating values contained in the given collection of ratings.
concat(Iterable<? extends Cursor<? extends T>>) - Static method in class org.grouplens.lenskit.cursors.Cursors: Concatenate cursors.
concat(Cursor<? extends T>...) - Static method in class org.grouplens.lenskit.cursors.Cursors: Concatenate cursors.
ConfigDelegate - Annotation Type in org.grouplens.lenskit.eval.script: Specify a delegate class to be used to configure an object of the type to which this annotation is applied (typically either a builder or a task).
ConfigHelpers - Class in org.grouplens.lenskit.config: LensKit configuration helper utilities.
ConfigHelpers() - Constructor for class org.grouplens.lenskit.config.ConfigHelpers
ConfigMethodInvoker - Class in org.grouplens.lenskit.eval.script: Utilities for searching for methods of configurable objects.
ConfigMethodInvoker(EvalScriptEngine, EvalProject) - Constructor for class org.grouplens.lenskit.eval.script.ConfigMethodInvoker
ConfigurationLoader - Class in org.grouplens.lenskit.config: Load LensKit configurations using the configuration DSL.
ConfigurationLoader() - Constructor for class org.grouplens.lenskit.config.ConfigurationLoader: Construct a new configuration loader.
ConfigurationLoader(ClassLoader) - Constructor for class org.grouplens.lenskit.config.ConfigurationLoader: Construct a new configuration loader.
configure(LenskitConfiguration, Closure<?>) - Static method in class org.grouplens.lenskit.config.ConfigHelpers: Modify a configuration from a closure.
configure(LenskitConfiguration) - Method in class org.grouplens.lenskit.config.LenskitConfigScript: Run this script against an existing configuration.
configure() - Method in class org.grouplens.lenskit.config.LenskitConfigScript: Run this script and produce a new configuration.
configure(LenskitConfiguration) - Method in class org.grouplens.lenskit.data.source.AbstractDataSource
configure(LenskitConfiguration) - Method in interface org.grouplens.lenskit.data.source.DataSource: Configure LensKit to use this data set.
configure(LenskitConfiguration) - Method in class org.grouplens.lenskit.data.source.PackedDataSource
configure(LenskitConfiguration) - Method in class org.grouplens.lenskit.eval.data.traintest.GenericTTDataSet
configure(LenskitConfiguration) - Method in interface org.grouplens.lenskit.eval.data.traintest.TTDataSet: Configure LensKit to have the training data from this data source.
configureArguments(Subparser) - Static method in class org.grouplens.lenskit.cli.Eval
configureArguments(ArgumentParser) - Static method in class org.grouplens.lenskit.cli.GlobalRecommend
configureArguments(ArgumentParser) - Static method in class org.grouplens.lenskit.cli.Graph
configureArguments(ArgumentParser) - Static method in class org.grouplens.lenskit.cli.InputData
configureArguments(ArgumentParser, boolean) - Static method in class org.grouplens.lenskit.cli.InputData
configureArguments(Subparser) - Static method in class org.grouplens.lenskit.cli.PackRatings
configureArguments(ArgumentParser) - Static method in class org.grouplens.lenskit.cli.Predict
configureArguments(ArgumentParser) - Static method in class org.grouplens.lenskit.cli.Recommend
configureArguments(ArgumentParser) - Static method in class org.grouplens.lenskit.cli.ScriptEnvironment
configureArguments(ArgumentParser) - Static method in class org.grouplens.lenskit.cli.TrainModel
configureArguments(ArgumentParser) - Static method in class org.grouplens.lenskit.cli.Version
configureFromFile(Map<String, Object>, File) - Method in class org.grouplens.lenskit.eval.algorithm.AlgorithmInstanceBuilder: Configure the algorithmInfo instance builder from a file.
configureLogging(Namespace) - Static method in class org.grouplens.lenskit.cli.Logging
connection - Variable in class org.grouplens.lenskit.data.sql.JDBCRatingDAO
ConstantItemScorer - Class in org.grouplens.lenskit.baseline: Rating scorer that predicts a constant rating for all items.
ConstantItemScorer(double) - Constructor for class org.grouplens.lenskit.baseline.ConstantItemScorer: Construct a new constant scorer.
ConstantItemScorer.Value - Annotation Type in org.grouplens.lenskit.baseline: Parameter: the value used by the constant scorer.
consume(int, Cursor<T>) - Static method in class org.grouplens.lenskit.cursors.Cursors: Consume and discard the first n elements from a cursor.
contains(Object) - Method in class org.grouplens.lenskit.data.history.BasicItemEventList
containsAll(Collection<?>) - Method in class org.grouplens.lenskit.data.history.BasicItemEventList
containsId(long) - Method in class org.grouplens.lenskit.indexes.IdIndexMapping: Query whether this index contains a particular ID.
containsKey(long) - Method in class org.grouplens.lenskit.collections.LongKeyDomain: Query whether this set contains the specified key in its domain.
containsKey(long) - Method in class org.grouplens.lenskit.vectors.SparseVector: Query whether the vector contains an entry for the key in question.
Context() - Constructor for class org.grouplens.lenskit.eval.metrics.predict.CoveragePredictMetric.Context
Context() - Constructor for class org.grouplens.lenskit.eval.metrics.predict.MAEPredictMetric.Context
Context() - Constructor for class org.grouplens.lenskit.eval.metrics.predict.RMSEPredictMetric.Context
Context() - Constructor for class org.grouplens.lenskit.eval.metrics.topn.PrecisionRecallTopNMetric.Context
Context() - Constructor for class org.grouplens.lenskit.eval.metrics.topn.TopNEntropyMetric.Context
Context(Long2IntMap) - Constructor for class org.grouplens.lenskit.eval.metrics.topn.TopNPopularityMetric.Context
convertArrayToVector(double[]) - Method in interface org.grouplens.lenskit.util.Index: Deprecated.

This method is used to convert arrays to sparse arrays.
convertArrayToVector(double[]) - Method in class org.grouplens.lenskit.util.Indexer: Deprecated.
copy(E) - Method in class org.grouplens.lenskit.collections.CopyingFastCollection: Deprecated.

Copy an element of the collection.
copy() - Method in class org.grouplens.lenskit.core.LenskitConfiguration: Convenience method to copy a LensKit configuration.
copy(T) - Method in class org.grouplens.lenskit.cursors.AbstractPollingCursor: Construct a copy of an object.
copy(Rating) - Method in class org.grouplens.lenskit.data.dao.DelimitedTextRatingCursor: Deprecated.
copy(Rating) - Static method in class org.grouplens.lenskit.data.event.RatingBuilder: Construct a new rating builder that is a copy of a particular rating.
copy(IndexedPreference) - Static method in class org.grouplens.lenskit.data.pref.IndexedPreferenceBuilder: Create a new preference builder initialized as a copy of a preference.
copy(Preference) - Static method in class org.grouplens.lenskit.data.pref.PreferenceBuilder
copy(TableLayout) - Static method in class org.grouplens.lenskit.util.table.TableLayoutBuilder: Construct a new builder that is a copy of an existing layout.
copy() - Method in class org.grouplens.lenskit.vectors.MutableSparseVector: Copy the rating vector.
copyBuilder(Rating) - Static method in class org.grouplens.lenskit.data.event.Ratings: Construct a rating builder initialized with the values of a rating.
copyBuilder() - Method in class org.grouplens.lenskit.eval.data.traintest.GenericTTDataSet: Create a new builder initialized with this data set's values.
copyBuilder(TTDataSet) - Static method in class org.grouplens.lenskit.eval.data.traintest.GenericTTDataSet: Create a new builder initialized with this data set's values.
copyBuilder(ScoredId) - Static method in class org.grouplens.lenskit.scored.ScoredIds: Create a new builder initialized to copy the specified scored ID.
CopyingFastCollection<E> - Class in org.grouplens.lenskit.collections: Deprecated.
Fast iteration is going away.
CopyingFastCollection() - Constructor for class org.grouplens.lenskit.collections.CopyingFastCollection: Deprecated.
CORATINGS_SYMBOL - Static variable in class org.grouplens.lenskit.slopeone.SlopeOneModel
CosineVectorSimilarity - Class in org.grouplens.lenskit.vectors.similarity: Cosine similarity for vectors.
CosineVectorSimilarity() - Constructor for class org.grouplens.lenskit.vectors.similarity.CosineVectorSimilarity: Construct an undamped cosine similarity function.
CosineVectorSimilarity(double) - Constructor for class org.grouplens.lenskit.vectors.similarity.CosineVectorSimilarity: Construct a new cosine similarity function.
count(int, int) - Method in class org.grouplens.lenskit.util.statistics.MutualInformationAccumulator: Count an occurrence.
countCommonKeys(SparseVector) - Method in class org.grouplens.lenskit.vectors.SparseVector: Count the common keys between two vectors.
CoveragePredictMetric - Class in org.grouplens.lenskit.eval.metrics.predict: Simple evaluator that records user, rating and prediction counts and computes recommender coverage over the queried items.
CoveragePredictMetric() - Constructor for class org.grouplens.lenskit.eval.metrics.predict.CoveragePredictMetric
CoveragePredictMetric.AggregateCoverage - Class in org.grouplens.lenskit.eval.metrics.predict
CoveragePredictMetric.Context - Class in org.grouplens.lenskit.eval.metrics.predict
CoveragePredictMetric.Coverage - Class in org.grouplens.lenskit.eval.metrics.predict
create(long...) - Static method in class org.grouplens.lenskit.collections.LongKeyDomain: Create a key set with some keys.
create(Collection<? extends Event>) - Static method in class org.grouplens.lenskit.data.dao.EventCollectionDAO: Create a new data source from a collection of events.
create(File, String, CompressionMode) - Static method in class org.grouplens.lenskit.data.dao.SimpleFileRatingDAO: Deprecated.

Create a DAO reading from the specified file/URL and delimiter.
create(File, String) - Static method in class org.grouplens.lenskit.data.dao.SimpleFileRatingDAO: Deprecated.

Create a DAO reading from the specified file and delimiter.
create(EventTypeDefinition) - Static method in class org.grouplens.lenskit.data.text.DelimitedColumnEventFormat: Create a new delimited column format.
create(String) - Static method in class org.grouplens.lenskit.data.text.DelimitedColumnEventFormat: Create a new delimited column format from a named type.
create(String, ClassLoader) - Static method in class org.grouplens.lenskit.data.text.DelimitedColumnEventFormat: Create a new delimited column format from a named type.
create(File, EventFormat) - Static method in class org.grouplens.lenskit.data.text.TextEventDAO
create(File, EventFormat, CompressionMode) - Static method in class org.grouplens.lenskit.data.text.TextEventDAO
create(Class<T>) - Static method in class org.grouplens.lenskit.eval.metrics.ResultConverter
create(EventDAO) - Method in class org.grouplens.lenskit.eval.traintest.CachingDAOProvider
create(EventDAO) - Method in class org.grouplens.lenskit.eval.traintest.CachingDAOProvider.Item
create(EventDAO) - Method in class org.grouplens.lenskit.eval.traintest.CachingDAOProvider.ItemEvent
create(EventDAO) - Method in class org.grouplens.lenskit.eval.traintest.CachingDAOProvider.User
create(EventDAO) - Method in class org.grouplens.lenskit.eval.traintest.CachingDAOProvider.UserEvent
create(Collection<? extends Long>) - Static method in class org.grouplens.lenskit.indexes.IdIndexMapping
create() - Static method in class org.grouplens.lenskit.inject.NodeInstantiator
create(DAGNode<Component, Dependency>) - Static method in class org.grouplens.lenskit.inject.RecommenderInstantiator
create(DAGNode<Component, Dependency>, NodeInstantiator) - Static method in class org.grouplens.lenskit.inject.RecommenderInstantiator
create(long, double) - Static method in class org.grouplens.lenskit.scored.ScoredIds: Create a scored id with no channels.
create(int, String) - Static method in class org.grouplens.lenskit.util.parallel.TaskGraphExecutor: Create a task graph runner that uses the specified number of threads.
create(int) - Static method in class org.grouplens.lenskit.util.parallel.TaskGraphExecutor: Create a task graph runner that uses the specified number of threads.
create() - Static method in class org.grouplens.lenskit.util.parallel.TaskGraphExecutor: Create a task graph runner that uses Runtime.availableProcessors() threads.
create(Map<Long, Double>) - Static method in class org.grouplens.lenskit.vectors.ImmutableSparseVector: Construct a new immutable sparse vector from a map.
create(double[]) - Static method in class org.grouplens.lenskit.vectors.ImmutableVec: Deprecated.

Create a new vector from data in an array.
create(Collection<Long>) - Static method in class org.grouplens.lenskit.vectors.MutableSparseVector: Create a new empty mutable sparse vector with the specified key domain.
create(Collection<Long>, double) - Static method in class org.grouplens.lenskit.vectors.MutableSparseVector: Create a new mutable sparse vector with the specified key domain and filled with a value.
create(Map<Long, Double>) - Static method in class org.grouplens.lenskit.vectors.MutableSparseVector: Create a new mutable sparse vector with the specified content.
create(long...) - Static method in class org.grouplens.lenskit.vectors.MutableSparseVector: Create a mutable sparse vector with a fixed set of keys.
create(int) - Static method in class org.grouplens.lenskit.vectors.MutableVec: Deprecated.

Create a new mutable vector with the specified size.
createContext(Attributed, TTDataSet, Recommender) - Method in interface org.grouplens.lenskit.eval.metrics.Metric: Create the context for an experimental condition (algorithm/data set pair).
createContext(Attributed, TTDataSet, Recommender) - Method in class org.grouplens.lenskit.eval.metrics.predict.CoveragePredictMetric
createContext(Attributed, TTDataSet, Recommender) - Method in class org.grouplens.lenskit.eval.metrics.predict.EntropyPredictMetric
createContext(Attributed, TTDataSet, Recommender) - Method in class org.grouplens.lenskit.eval.metrics.predict.HLUtilityPredictMetric
createContext(Attributed, TTDataSet, Recommender) - Method in class org.grouplens.lenskit.eval.metrics.predict.MAEPredictMetric
createContext(Attributed, TTDataSet, Recommender) - Method in class org.grouplens.lenskit.eval.metrics.predict.NDCGPredictMetric
createContext(Attributed, TTDataSet, Recommender) - Method in class org.grouplens.lenskit.eval.metrics.predict.RMSEPredictMetric
createContext(Attributed, TTDataSet, Recommender) - Method in class org.grouplens.lenskit.eval.metrics.topn.IndependentRecallTopNMetric
createContext(Attributed, TTDataSet, Recommender) - Method in class org.grouplens.lenskit.eval.metrics.topn.MAPTopNMetric
createContext(Attributed, TTDataSet, Recommender) - Method in class org.grouplens.lenskit.eval.metrics.topn.MRRTopNMetric
createContext(Attributed, TTDataSet, Recommender) - Method in class org.grouplens.lenskit.eval.metrics.topn.NDCGTopNMetric
createContext(Attributed, TTDataSet, Recommender) - Method in class org.grouplens.lenskit.eval.metrics.topn.PrecisionRecallTopNMetric
createContext(Attributed, TTDataSet, Recommender) - Method in class org.grouplens.lenskit.eval.metrics.topn.TopNEntropyMetric
createContext(Attributed, TTDataSet, Recommender) - Method in class org.grouplens.lenskit.eval.metrics.topn.TopNLengthMetric
createContext(Attributed, TTDataSet, Recommender) - Method in class org.grouplens.lenskit.eval.metrics.topn.TopNPopularityMetric
createContext(Attributed, TTDataSet, Recommender) - Method in class org.grouplens.lenskit.eval.traintest.FunctionModelMetric
createContext(Attributed, TTDataSet, Recommender) - Method in class org.grouplens.lenskit.eval.traintest.FunctionMultiModelMetric
createContext(Attributed, TTDataSet, Recommender) - Method in class org.grouplens.lenskit.eval.traintest.OutputPredictMetric
createContext(Attributed, TTDataSet, Recommender) - Method in class org.grouplens.lenskit.eval.traintest.OutputTopNMetric
createMetric(TrainTestEvalTask) - Method in class org.grouplens.lenskit.eval.traintest.FunctionMultiModelMetric.Factory
createMetric(TrainTestEvalTask) - Method in class org.grouplens.lenskit.eval.traintest.MetricFactory
createMetric(TrainTestEvalTask) - Method in class org.grouplens.lenskit.eval.traintest.OutputPredictMetric.Factory
createMetric(TrainTestEvalTask) - Method in class org.grouplens.lenskit.eval.traintest.OutputTopNMetric.Factory
createProject() - Method in class org.grouplens.lenskit.eval.script.EvalScriptEngine: Create a new eval project.
createRecommender() - Method in class org.grouplens.lenskit.core.LenskitRecommenderEngine
createRecommender(LenskitConfiguration) - Method in class org.grouplens.lenskit.core.LenskitRecommenderEngine: Construct a recommender with some additional configuration.
createRecommender() - Method in interface org.grouplens.lenskit.RecommenderEngine: Create a new recommender..
createTTFiles() - Method in class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask: Write train-test split files
createUpdater() - Method in class org.grouplens.lenskit.mf.funksvd.FunkSVDUpdateRule
CrossfoldMethod - Enum in org.grouplens.lenskit.eval.data.crossfold: The method to be used for crossfolding.
CrossfoldTask - Class in org.grouplens.lenskit.eval.data.crossfold: The command to build and run a crossfold on the data source file and output the partition files
CrossfoldTask() - Constructor for class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask
CrossfoldTask(String) - Constructor for class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask
csv(File) - Static method in class org.grouplens.lenskit.eval.data.RatingWriters: Write ratings to a CSV file.
csv(File, boolean) - Static method in class org.grouplens.lenskit.eval.data.RatingWriters: Write ratings to a CSV file.
CSVDataSourceBuilder - Class in org.grouplens.lenskit.data.source: Simplified builder that returns a CSV data source (or delimited with another delimiter).
CSVDataSourceBuilder() - Constructor for class org.grouplens.lenskit.data.source.CSVDataSourceBuilder
CSVDataSourceBuilder(String) - Constructor for class org.grouplens.lenskit.data.source.CSVDataSourceBuilder
CSVDataSourceBuilder(File) - Constructor for class org.grouplens.lenskit.data.source.CSVDataSourceBuilder
CSVFileItemNameDAOProvider - Class in org.grouplens.lenskit.data.text: Provider for ItemListItemDAO that reads a list of item IDs from a file, one per line.
CSVFileItemNameDAOProvider(File) - Constructor for class org.grouplens.lenskit.data.text.CSVFileItemNameDAOProvider
csvRatings() - Static method in class org.grouplens.lenskit.data.text.Formats: A basic format of ratings in a CSV file.
CSVWriter - Class in org.grouplens.lenskit.util.table.writer: Implementation of TableWriter for CSV files.
CSVWriter(Writer, TableLayout) - Constructor for class org.grouplens.lenskit.util.table.writer.CSVWriter: Construct a new CSV writer.
curry(Function<? super X, T>, X) - Static method in class org.grouplens.lenskit.util.MoreSuppliers
Cursor<T> - Interface in org.grouplens.lenskit.cursors: Cursors over data connections.
CursorIterator<T> - Class in org.grouplens.lenskit.cursors: Simple implementation of an Iterator that wraps a Cursor's data.
CursorIterator(Cursor<T>) - Constructor for class org.grouplens.lenskit.cursors.CursorIterator: Construct a new iterator from a cursor.
Cursors - Class in org.grouplens.lenskit.cursors: Utility methods for cursors.
CustomClassLoaderObjectInputStream - Class in org.grouplens.lenskit.util.io: Object input stream that uses a custom class loader.
CustomClassLoaderObjectInputStream(InputStream, ClassLoader) - Constructor for class org.grouplens.lenskit.util.io.CustomClassLoaderObjectInputStream

D

dao - Variable in class org.grouplens.lenskit.slopeone.SlopeOneItemScorer
DATA_DIR_PROPERTY - Static variable in class org.grouplens.lenskit.eval.EvalConfig
DataAccessException - Exception in org.grouplens.lenskit.data.dao: An error occurred during data access.
DataAccessException() - Constructor for exception org.grouplens.lenskit.data.dao.DataAccessException
DataAccessException(String) - Constructor for exception org.grouplens.lenskit.data.dao.DataAccessException
DataAccessException(String, Throwable) - Constructor for exception org.grouplens.lenskit.data.dao.DataAccessException
DataAccessException(Throwable) - Constructor for exception org.grouplens.lenskit.data.dao.DataAccessException
DatabaseAccessException - Exception in org.grouplens.lenskit.data.sql: A database error occurred in the database-backed DAO.
DatabaseAccessException() - Constructor for exception org.grouplens.lenskit.data.sql.DatabaseAccessException
DatabaseAccessException(String) - Constructor for exception org.grouplens.lenskit.data.sql.DatabaseAccessException
DatabaseAccessException(String, Throwable) - Constructor for exception org.grouplens.lenskit.data.sql.DatabaseAccessException
DatabaseAccessException(Throwable) - Constructor for exception org.grouplens.lenskit.data.sql.DatabaseAccessException
DataSource - Interface in org.grouplens.lenskit.data.source: Representation of a single data source.
deduplicate(long[], int, int) - Static method in class org.grouplens.lenskit.collections.MoreArrays: Remove duplicate elements in the backing store.
deduplicate(int[], int, int) - Static method in class org.grouplens.lenskit.collections.MoreArrays: Remove duplicate elements in the backing store.
DefaultConfigDelegate - Class in org.grouplens.lenskit.eval.script: Default Groovy delegate for configuring commands of evaluator components.
DefaultConfigDelegate(ConfigMethodInvoker, Object) - Constructor for class org.grouplens.lenskit.eval.script.DefaultConfigDelegate: Construct a new command delegate.
defaultDescriber() - Static method in class org.grouplens.lenskit.util.io.Descriptions: Get a default describer.
DefaultItemScoreAlgorithm - Class in org.grouplens.lenskit.knn.item: Default item scoring algorithm.
DefaultItemScoreAlgorithm(int, int) - Constructor for class org.grouplens.lenskit.knn.item.DefaultItemScoreAlgorithm
DefaultItemVectorNormalizer - Class in org.grouplens.lenskit.transform.normalize: Default item vector normalizer that delegates to a generic VectorNormalizer.
DefaultItemVectorNormalizer() - Constructor for class org.grouplens.lenskit.transform.normalize.DefaultItemVectorNormalizer: Construct a new item vector normalizer that uses the identity normalization.
DefaultItemVectorNormalizer(VectorNormalizer) - Constructor for class org.grouplens.lenskit.transform.normalize.DefaultItemVectorNormalizer: Construct a new item vector normalizer wrapping a generic vector normalizer.
DefaultNeighborIterationStrategyProvider - Class in org.grouplens.lenskit.knn.item.model: Provider to auto-select an appropriate neighbor iteration strategy.
DefaultNeighborIterationStrategyProvider(ItemSimilarity) - Constructor for class org.grouplens.lenskit.knn.item.model.DefaultNeighborIterationStrategyProvider: Construct a new provider.
defaultTarget(String) - Method in class org.grouplens.lenskit.eval.script.EvalScript
defaultTarget(Target) - Method in class org.grouplens.lenskit.eval.script.EvalScript
DefaultUserVectorNormalizer - Class in org.grouplens.lenskit.transform.normalize: Default user vector normalizer that delegates to a generic VectorNormalizer.
DefaultUserVectorNormalizer() - Constructor for class org.grouplens.lenskit.transform.normalize.DefaultUserVectorNormalizer: Construct a new user vector normalizer that uses the identity normalization.
DefaultUserVectorNormalizer(VectorNormalizer) - Constructor for class org.grouplens.lenskit.transform.normalize.DefaultUserVectorNormalizer: Construct a new user vector normalizer wrapping a generic vector normalizer.
delegate - Variable in class org.grouplens.lenskit.transform.normalize.DefaultItemVectorNormalizer
delegate - Variable in class org.grouplens.lenskit.transform.normalize.DefaultUserVectorNormalizer
DelimitedColumnEventFormat - Class in org.grouplens.lenskit.data.text: Read events from delimited columns (CSV, TSV, etc.).
DelimitedColumnEventFormat(EventTypeDefinition) - Constructor for class org.grouplens.lenskit.data.text.DelimitedColumnEventFormat
delimitedRatings(String) - Static method in class org.grouplens.lenskit.data.text.Formats: A basic format of ratings in a CSV file.
DelimitedTextCursor - Class in org.grouplens.lenskit.util: Cursor that reads rows of delimited text from a scanner.
DelimitedTextCursor(BufferedReader, Pattern) - Constructor for class org.grouplens.lenskit.util.DelimitedTextCursor: Construct a cursor reading text from a scanner with a regex delimiter.
DelimitedTextCursor(BufferedReader, String) - Constructor for class org.grouplens.lenskit.util.DelimitedTextCursor: Construct a cursor reading text from a scanner with a fixed delimiter.
DelimitedTextCursor(File, String) - Constructor for class org.grouplens.lenskit.util.DelimitedTextCursor: Construct a delimited text cursor from a file.
DelimitedTextRatingCursor - Class in org.grouplens.lenskit.data.dao: Deprecated.
Use the code in org.grouplens.lenskit.data.text.
DelimitedTextRatingCursor(BufferedReader, String, String) - Constructor for class org.grouplens.lenskit.data.dao.DelimitedTextRatingCursor: Deprecated.
Inheriting from this class is deprecated.
DEP_EDGE_ORDER - Static variable in class org.grouplens.lenskit.inject.GraphtUtils: An ordering over dependency edges.
Describable - Interface in org.grouplens.lenskit.util.io: Objects supporting persistent descriptions of their identity.
describe(T, DescriptionWriter) - Method in interface org.grouplens.lenskit.util.io.Describer: Write a description of an object to a description writer.
Describer<T> - Interface in org.grouplens.lenskit.util.io: Describe an object to a AbstractDescriptionWriter.
describeTo(DescriptionWriter) - Method in class org.grouplens.lenskit.data.dao.packed.BinaryRatingDAO
describeTo(DescriptionWriter) - Method in class org.grouplens.lenskit.data.dao.PrefetchingItemDAO
describeTo(DescriptionWriter) - Method in class org.grouplens.lenskit.data.dao.PrefetchingItemEventDAO
describeTo(DescriptionWriter) - Method in class org.grouplens.lenskit.data.dao.PrefetchingUserDAO
describeTo(DescriptionWriter) - Method in class org.grouplens.lenskit.data.dao.PrefetchingUserEventDAO
describeTo(DescriptionWriter) - Method in class org.grouplens.lenskit.data.dao.SimpleFileRatingDAO: Deprecated.
describeTo(DescriptionWriter) - Method in class org.grouplens.lenskit.data.text.TextEventDAO
describeTo(DescriptionWriter) - Method in interface org.grouplens.lenskit.util.io.Describable: Write this class's description to a sink.
Descriptions - Class in org.grouplens.lenskit.util.io: Utility classes for AbstractDescriptionWriters.
DescriptionWriter - Interface in org.grouplens.lenskit.util.io: Accumulate a description of an object (or objects).
desireIsTransient(Desire) - Static method in class org.grouplens.lenskit.inject.GraphtUtils: Determine whether a desire is transient.
DeviationDamping - Annotation Type in org.grouplens.lenskit.slopeone: Damping parameter for Slope-One deviations.
directory - Variable in class org.grouplens.lenskit.eval.script.EvalScriptEngine
DistanceVectorSimilarity - Class in org.grouplens.lenskit.vectors.similarity: Distance similarity for vectors.
DistanceVectorSimilarity() - Constructor for class org.grouplens.lenskit.vectors.similarity.DistanceVectorSimilarity: Construct a new distance similarity function.
doFeatureIteration(TrainingEstimator, Collection<IndexedPreference>, Vector, Vector, double) - Method in class org.grouplens.lenskit.mf.funksvd.FunkSVDModelBuilder: Do a single feature iteration.
domain() - Method in class org.grouplens.lenskit.collections.LongKeyDomain: Get the key set's domain as a set.
domain(Map<String, Object>) - Method in class org.grouplens.lenskit.config.BindingDSL: Make and bind a preference domain.
domain - Variable in class org.grouplens.lenskit.slopeone.SlopeOneItemScorer
DomainClampingKernel - Class in org.grouplens.lenskit.mf.svd: Kernel that clamps each feature's contribution to the preference domain.
DomainClampingKernel(PreferenceDomain) - Constructor for class org.grouplens.lenskit.mf.svd.DomainClampingKernel
domainSize() - Method in class org.grouplens.lenskit.collections.LongKeyDomain: Get the domain size of this set.
doMeasureUser(TestUser, X) - Method in class org.grouplens.lenskit.eval.metrics.AbstractMetric: Measure a user with typed results.
doMeasureUser(TestUser, CoveragePredictMetric.Context) - Method in class org.grouplens.lenskit.eval.metrics.predict.CoveragePredictMetric
doMeasureUser(TestUser, EntropyPredictMetric.Context) - Method in class org.grouplens.lenskit.eval.metrics.predict.EntropyPredictMetric
doMeasureUser(TestUser, MeanAccumulator) - Method in class org.grouplens.lenskit.eval.metrics.predict.HLUtilityPredictMetric
doMeasureUser(TestUser, MAEPredictMetric.Context) - Method in class org.grouplens.lenskit.eval.metrics.predict.MAEPredictMetric
doMeasureUser(TestUser, MeanAccumulator) - Method in class org.grouplens.lenskit.eval.metrics.predict.NDCGPredictMetric
doMeasureUser(TestUser, RMSEPredictMetric.Context) - Method in class org.grouplens.lenskit.eval.metrics.predict.RMSEPredictMetric
doMeasureUser(TestUser, IndependentRecallTopNMetric.Context) - Method in class org.grouplens.lenskit.eval.metrics.topn.IndependentRecallTopNMetric
doMeasureUser(TestUser, MAPTopNMetric.Context) - Method in class org.grouplens.lenskit.eval.metrics.topn.MAPTopNMetric
doMeasureUser(TestUser, MRRTopNMetric.Context) - Method in class org.grouplens.lenskit.eval.metrics.topn.MRRTopNMetric
doMeasureUser(TestUser, MeanAccumulator) - Method in class org.grouplens.lenskit.eval.metrics.topn.NDCGTopNMetric
doMeasureUser(TestUser, PrecisionRecallTopNMetric.Context) - Method in class org.grouplens.lenskit.eval.metrics.topn.PrecisionRecallTopNMetric
doMeasureUser(TestUser, TopNEntropyMetric.Context) - Method in class org.grouplens.lenskit.eval.metrics.topn.TopNEntropyMetric
doMeasureUser(TestUser, MeanAccumulator) - Method in class org.grouplens.lenskit.eval.metrics.topn.TopNLengthMetric
doMeasureUser(TestUser, TopNPopularityMetric.Context) - Method in class org.grouplens.lenskit.eval.metrics.topn.TopNPopularityMetric
doMeasureUser(TestUser, OutputPredictMetric.Context) - Method in class org.grouplens.lenskit.eval.traintest.OutputPredictMetric
doMeasureUser(TestUser, OutputTopNMetric.Context) - Method in class org.grouplens.lenskit.eval.traintest.OutputTopNMetric
doSample(DataSource, RatingWriter, double, Random) - Method in enum org.grouplens.lenskit.eval.data.subsample.SubsampleMode: Write a random subset of all objects chosen by mode to the output file.
dot(SparseVector) - Method in class org.grouplens.lenskit.vectors.SparseVector: Compute the dot product between two vectors.
dot(Vec) - Method in class org.grouplens.lenskit.vectors.Vec: Deprecated.

Compute the dot product of this vector with another.
DotProductKernel - Class in org.grouplens.lenskit.mf.svd: Kernel function that uses the dot product of the user and item vectors.
DotProductKernel() - Constructor for class org.grouplens.lenskit.mf.svd.DotProductKernel
DoubleSymbolValue - Class in org.grouplens.lenskit.symbols: A pairing of a Symbol with a double value.
DumpGraphTask - Class in org.grouplens.lenskit.eval.graph: Command to dump a graph.
DumpGraphTask() - Constructor for class org.grouplens.lenskit.eval.graph.DumpGraphTask
DumpGraphTask(String) - Constructor for class org.grouplens.lenskit.eval.graph.DumpGraphTask

E

edgeIsTransient(DAGEdge<?, Dependency>) - Static method in class org.grouplens.lenskit.inject.GraphtUtils
edgeIsTransient() - Static method in class org.grouplens.lenskit.inject.GraphtUtils
empty() - Static method in class org.grouplens.lenskit.collections.LongKeyDomain: Create an empty key domain.
empty() - Static method in class org.grouplens.lenskit.cursors.Cursors: Create an empty cursor.
empty() - Static method in class org.grouplens.lenskit.vectors.SparseVector: Get an empty sparse vector.
emptyFastCollection() - Static method in class org.grouplens.lenskit.collections.CollectionUtils: Deprecated.
Just use a standard empty collection.
EngineValidationMode - Enum in org.grouplens.lenskit.core: Control when a recommender engine is validated.
entropy - Variable in class org.grouplens.lenskit.eval.metrics.topn.TopNEntropyMetric.Result
EntropyPredictMetric - Class in org.grouplens.lenskit.eval.metrics.predict: Evaluate a recommender's prediction accuracy by computing the mutual information between the ratings and the prediction.
EntropyPredictMetric() - Constructor for class org.grouplens.lenskit.eval.metrics.predict.EntropyPredictMetric
EntropyPredictMetric.Context - Class in org.grouplens.lenskit.eval.metrics.predict
EntropyPredictMetric.EntropyResult - Class in org.grouplens.lenskit.eval.metrics.predict
EntropyResult(double, double, double) - Constructor for class org.grouplens.lenskit.eval.metrics.predict.EntropyPredictMetric.EntropyResult
equals(Object) - Method in class org.grouplens.lenskit.data.event.MutableRating
equals(Rating, Rating) - Static method in class org.grouplens.lenskit.data.event.Ratings: Compare two ratings for equality.
equals(Object) - Method in class org.grouplens.lenskit.data.history.BasicItemEventList
equals(Object) - Method in class org.grouplens.lenskit.data.history.EventCountUserHistorySummarizer
equals(Object) - Method in class org.grouplens.lenskit.data.history.LikeCountUserHistorySummarizer
equals(Object) - Method in class org.grouplens.lenskit.data.history.RatingVectorUserHistorySummarizer: All rating vector summarizers are equal.
equals(Object) - Method in class org.grouplens.lenskit.data.pref.AbstractPreference
equals(Object) - Method in class org.grouplens.lenskit.data.pref.PreferenceDomain
equals(Preference, Preference) - Static method in class org.grouplens.lenskit.data.pref.Preferences: Compare two preferences for equality.
equals(Object) - Method in class org.grouplens.lenskit.data.sql.QueryKey
equals(Object) - Method in class org.grouplens.lenskit.eval.ExecutionInfo
equals(Object) - Method in class org.grouplens.lenskit.inject.PlaceholderSatisfaction
equals(Object) - Method in class org.grouplens.lenskit.mf.svd.DomainClampingKernel
equals(Object) - Method in class org.grouplens.lenskit.mf.svd.DotProductKernel
equals(Object) - Method in class org.grouplens.lenskit.scored.AbstractScoredId
equals(Object) - Method in class org.grouplens.lenskit.symbols.SymbolValue
equals(Object) - Method in class org.grouplens.lenskit.vectors.SparseVector
equals(Object) - Method in class org.grouplens.lenskit.vectors.Vec: Deprecated.
ErrorThresholdStoppingCondition - Class in org.grouplens.lenskit.iterative: Stop when absolute value of the error drops below a threshold.
ErrorThresholdStoppingCondition(double, int) - Constructor for class org.grouplens.lenskit.iterative.ErrorThresholdStoppingCondition: Construct a new error threshold stop.
ErrorThresholdStoppingCondition(double) - Constructor for class org.grouplens.lenskit.iterative.ErrorThresholdStoppingCondition: Create a new threshold stop with no minimum iteration count.
Eval - Class in org.grouplens.lenskit.cli: Run an eval script.
Eval(Namespace) - Constructor for class org.grouplens.lenskit.cli.Eval
EVAL_SCRIPT_PROPERTY - Static variable in class org.grouplens.lenskit.eval.EvalConfig
EVAL_SCRIPTFILES_PROPERTY - Static variable in class org.grouplens.lenskit.eval.EvalConfig
EvalAntTask - Class in org.grouplens.lenskit.eval: Wrap an EvalTask as an Ant Task.
EvalAntTask(EvalTask<?>) - Constructor for class org.grouplens.lenskit.eval.EvalAntTask: Construct a new eval task wrapper.
EvalAntTask(EvalTask<?>, Iterable<? extends Future<?>>) - Constructor for class org.grouplens.lenskit.eval.EvalAntTask: Construct an Ant wrapper for an eval task.
EvalCLI - Class in org.grouplens.lenskit.eval.cli: Deprecated.
Use lenskit eval from the lenskit-cli package.
EvalCLI(EvalCLIOptions) - Constructor for class org.grouplens.lenskit.eval.cli.EvalCLI: Deprecated.
EvalCLIOptions - Class in org.grouplens.lenskit.eval.cli: Parse & present command line options for running the evaluator.
EvalConfig - Class in org.grouplens.lenskit.eval: The class that represents the set of properties passed in to a Groovy evaluation script.
EvalConfig(Map) - Constructor for class org.grouplens.lenskit.eval.EvalConfig: Construct a new eval config using the specified properties.
EvalProject - Class in org.grouplens.lenskit.eval: An eval "project", the eval script equivalent of an Ant project.
EvalProject(Properties) - Constructor for class org.grouplens.lenskit.eval.EvalProject: Construct a new eval project.
EvalProject(Properties, ClassLoader) - Constructor for class org.grouplens.lenskit.eval.EvalProject: Construct a new eval project.
EvalScript - Class in org.grouplens.lenskit.eval.script: Base class for evaluator configuration scripts.
EvalScript() - Constructor for class org.grouplens.lenskit.eval.script.EvalScript
evalScript(File) - Method in class org.grouplens.lenskit.eval.script.EvalScript: Evaluate another script.
evalScript(String) - Method in class org.grouplens.lenskit.eval.script.EvalScript: Evaluate another script.
EvalScriptEngine - Class in org.grouplens.lenskit.eval.script: Load and process configuration files.
EvalScriptEngine() - Constructor for class org.grouplens.lenskit.eval.script.EvalScriptEngine: Construct a new script engine.
EvalScriptEngine(ClassLoader) - Constructor for class org.grouplens.lenskit.eval.script.EvalScriptEngine: Construct a new script engine.
EvalScriptEngine(ClassLoader, Properties) - Constructor for class org.grouplens.lenskit.eval.script.EvalScriptEngine: Construct a new script engine.
EvalTarget - Class in org.grouplens.lenskit.eval: Targets in an evaluator project.
EvalTarget() - Constructor for class org.grouplens.lenskit.eval.EvalTarget
EvalTask<T> - Interface in org.grouplens.lenskit.eval: An evaluation task.
evaluatePrediction(long, SparseVector, SparseVector) - Method in interface org.grouplens.lenskit.eval.results.AlgorithmTestAccumulator: Post a prediction to the evaluation.
Event - Interface in org.grouplens.lenskit.data.event: An event in a user's history.
EventBuilder<E extends Event> - Interface in org.grouplens.lenskit.data.event: Interface for common behavior for event builders.
EventCollectionDAO - Class in org.grouplens.lenskit.data.dao: Data source backed by a collection of events.
EventCollectionDAO(Collection<? extends Event>) - Constructor for class org.grouplens.lenskit.data.dao.EventCollectionDAO: Deprecated.
use EventCollectionDAO.create(Collection) instead
EventCountUserHistorySummarizer - Class in org.grouplens.lenskit.data.history: Summarize a history by counting all events referencing an item.
EventCountUserHistorySummarizer() - Constructor for class org.grouplens.lenskit.data.history.EventCountUserHistorySummarizer: Create a summarizer that counts all events.
EventCountUserHistorySummarizer(Class<? extends Event>) - Constructor for class org.grouplens.lenskit.data.history.EventCountUserHistorySummarizer: Create a summarizer that counts events of a particular type.
EventDAO - Interface in org.grouplens.lenskit.data.dao: Basic interface for accessing events.
EventFile - Annotation Type in org.grouplens.lenskit.data.text: Rating file for TextEventDAO.
EventFormat - Interface in org.grouplens.lenskit.data.text: Description of how an event is laid out in a line in a text file.
Events - Class in org.grouplens.lenskit.data.event
EventType - Annotation Type in org.grouplens.lenskit.data.event: A type of event, such as events to count in a history summarizer.
EventTypeDefinition - Interface in org.grouplens.lenskit.data.text: Definition for an event type that can be used to load it from a file.
eventTypeWanted() - Method in class org.grouplens.lenskit.data.history.EventCountUserHistorySummarizer
eventTypeWanted() - Method in class org.grouplens.lenskit.data.history.LikeCountUserHistorySummarizer
eventTypeWanted() - Method in class org.grouplens.lenskit.data.history.RatingVectorUserHistorySummarizer
eventTypeWanted() - Method in interface org.grouplens.lenskit.data.history.UserHistorySummarizer: Get the supertype of all events required by this summarizer.
exclude(Class<?>) - Method in interface org.grouplens.lenskit.core.LenskitBinding
exclude - Variable in class org.grouplens.lenskit.eval.metrics.topn.TopNMetricBuilder
execute() - Method in interface org.grouplens.lenskit.cli.Command: Execute the command.
execute() - Method in class org.grouplens.lenskit.cli.Eval
execute() - Method in class org.grouplens.lenskit.cli.GlobalRecommend
execute() - Method in class org.grouplens.lenskit.cli.Graph
execute() - Method in class org.grouplens.lenskit.cli.PackRatings
execute() - Method in class org.grouplens.lenskit.cli.Predict
execute() - Method in class org.grouplens.lenskit.cli.Recommend
execute() - Method in class org.grouplens.lenskit.cli.TrainModel
execute() - Method in class org.grouplens.lenskit.cli.Version
execute() - Method in class org.grouplens.lenskit.eval.AbstractTask: Execute the task.
execute() - Method in class org.grouplens.lenskit.eval.EvalAntTask
execute() - Method in class org.grouplens.lenskit.eval.EvalTarget
execute() - Method in interface org.grouplens.lenskit.eval.EvalTask: Execute the task.
execute(DAGNode<T, E>) - Method in class org.grouplens.lenskit.util.parallel.TaskGraphExecutor: Execute a task graph.
executeTarget(String) - Method in class org.grouplens.lenskit.eval.EvalProject: Execute a target in the project.
executeTargets(String...) - Method in class org.grouplens.lenskit.eval.EvalProject: Execute a sequence of targets.
executeTargets(List<String>) - Method in class org.grouplens.lenskit.eval.EvalProject: Execute a sequence of targets.
ExecutionInfo - Class in org.grouplens.lenskit.eval: Bean containing information about a data set.
ExecutionInfo.Builder - Class in org.grouplens.lenskit.eval: Builder for ExecutionInfo instances.
ExternalAlgorithm - Class in org.grouplens.lenskit.eval.traintest: An algorithmInfo instance backed by an external program.
ExternalAlgorithm(String, Map<String, Object>, List<String>, File, String) - Constructor for class org.grouplens.lenskit.eval.traintest.ExternalAlgorithm
ExternalAlgorithmBuilder - Class in org.grouplens.lenskit.eval.traintest: Command to get a algorithmInfo instances.
ExternalAlgorithmBuilder() - Constructor for class org.grouplens.lenskit.eval.traintest.ExternalAlgorithmBuilder
ExternalAlgorithmBuilder(String) - Constructor for class org.grouplens.lenskit.eval.traintest.ExternalAlgorithmBuilder
ExternalProcessItemScorerBuilder - Class in org.grouplens.lenskit.external: Build a PrecomputedItemScorer using an external process.
ExternalProcessItemScorerBuilder() - Constructor for class org.grouplens.lenskit.external.ExternalProcessItemScorerBuilder
extractClass(Class<T>, boolean) - Static method in class org.grouplens.lenskit.util.TypeUtils: Function that gets the class for its argument.
extractClass(Class<T>) - Static method in class org.grouplens.lenskit.util.TypeUtils: Function that gets the class for its argument.
extractClass() - Static method in class org.grouplens.lenskit.util.TypeUtils: Function that gets the class for its argument.
extractClass(boolean) - Static method in class org.grouplens.lenskit.util.TypeUtils: Function that gets the class for its argument.
extractSymbol() - Static method in class org.grouplens.lenskit.symbols.SymbolValue

F

Factory(File, List<String>, Function<Recommender, List<List<Object>>>) - Constructor for class org.grouplens.lenskit.eval.traintest.FunctionMultiModelMetric.Factory
Factory(File, List<Pair<Symbol, String>>) - Constructor for class org.grouplens.lenskit.eval.traintest.OutputPredictMetric.Factory
Factory(File, int, ItemSelector, ItemSelector) - Constructor for class org.grouplens.lenskit.eval.traintest.OutputTopNMetric.Factory
FactoryBuilder() - Constructor for class org.grouplens.lenskit.eval.traintest.OutputPredictMetric.FactoryBuilder
FactoryBuilder() - Constructor for class org.grouplens.lenskit.eval.traintest.OutputTopNMetric.FactoryBuilder
failOnUnknownChannels() - Method in class org.grouplens.lenskit.scored.ScoredIdListBuilder: Set the builder to fail on unknown channels.
FallbackItemScorer - Class in org.grouplens.lenskit.baseline: Item scorer that combines a primary scorer with a baseline.
FallbackItemScorer(ItemScorer, ItemScorer) - Constructor for class org.grouplens.lenskit.baseline.FallbackItemScorer
fast(Iterable<E>) - Static method in class org.grouplens.lenskit.collections.CollectionUtils: Deprecated.
Fast iteration has gone away. This method now does nothing.
fast() - Method in class org.grouplens.lenskit.cursors.AbstractCursor: Deprecated.
fast() - Method in interface org.grouplens.lenskit.cursors.Cursor: Deprecated.
Fast iteration is going away.
fast() - Method in class org.grouplens.lenskit.vectors.SparseVector: Deprecated.
Fast iteration is going away.
fast(VectorEntry.State) - Method in class org.grouplens.lenskit.vectors.SparseVector: Deprecated.
Fast iteration is going away.
FastCollection<E> - Interface in org.grouplens.lenskit.collections: Deprecated.
Just implement FastIterable.
fastFilterAndLimit(Iterable<E>, Predicate<? super E>, int) - Static method in class org.grouplens.lenskit.collections.CollectionUtils: Deprecated.
Fast iteration has gone away.
fastIntersect(SparseVector, SparseVector) - Static method in class org.grouplens.lenskit.vectors.Vectors: Iterate over the intersection of two vectors without the overhead of object creation.
FastIterable<E> - Interface in org.grouplens.lenskit.collections: Deprecated.
Fast iteration has gone away.
fastIterator() - Method in interface org.grouplens.lenskit.collections.FastIterable: Deprecated.
Fast iteration has gone away.
fastIterator() - Method in class org.grouplens.lenskit.scored.PackedScoredIdList: Deprecated.
fastIterator() - Method in class org.grouplens.lenskit.vectors.SparseVector: Deprecated.
Fast iteration is going away.
fastIterator(VectorEntry.State) - Method in class org.grouplens.lenskit.vectors.SparseVector: Deprecated.
Fast iteration is going away.
fastNext() - Method in class org.grouplens.lenskit.cursors.AbstractCursor: Deprecated.
fastNext() - Method in class org.grouplens.lenskit.cursors.AbstractPollingCursor: Deprecated.
fastNext() - Method in interface org.grouplens.lenskit.cursors.Cursor: Deprecated.
Fast iteration is going away
FeatureCount - Annotation Type in org.grouplens.lenskit.mf.funksvd: The number of latent features to use in an SVD-based recommender.
featureCount - Variable in class org.grouplens.lenskit.mf.funksvd.FunkSVDModelBuilder
featureCount - Variable in class org.grouplens.lenskit.mf.svd.MFModel
FeatureInfo - Class in org.grouplens.lenskit.mf.funksvd: Information about a feature.
FeatureInfo.Builder - Class in org.grouplens.lenskit.mf.funksvd: Helper class to build feature info.
Field - Interface in org.grouplens.lenskit.data.text: Identifiers for fields in a delimited/columnar database.
Fields - Class in org.grouplens.lenskit.data.text
FieldSeparator - Annotation Type in org.grouplens.lenskit.data.dao: Field separator for delimited text files.
fill(double) - Method in class org.grouplens.lenskit.vectors.MutableSparseVector: Set the values for all items in the key domain to value.
fill(double) - Method in class org.grouplens.lenskit.vectors.MutableVec: Deprecated.

Fill the vector with a value.
filter(Cursor<T>, Predicate<? super T>) - Static method in class org.grouplens.lenskit.cursors.Cursors: Filter a cursor.
filter(Cursor<?>, Class<T>) - Static method in class org.grouplens.lenskit.cursors.Cursors: Filter a cursor to only contain elements of type type.
filter(Class<T>) - Method in class org.grouplens.lenskit.data.history.BasicUserHistory: Filter the user history to only contain elements of a particular type.
filter(Predicate<? super E>) - Method in class org.grouplens.lenskit.data.history.BasicUserHistory: Filter the user history with a predicate.
filter(Class<T>) - Method in interface org.grouplens.lenskit.data.history.UserHistory: Filter the user history to only contain elements of a particular type.
filter(Predicate<? super E>) - Method in interface org.grouplens.lenskit.data.history.UserHistory: Filter the user history with a predicate.
filter(String, Object) - Method in interface org.grouplens.lenskit.util.table.Table
findNeighbors(UserHistory<? extends Event>, LongSet) - Method in class org.grouplens.lenskit.knn.user.UserUserItemScorer: Find the neighbors for a user with respect to a collection of items.
findSatisfyingNode(DAGNode<Component, Dependency>, QualifierMatcher, Class<?>) - Static method in class org.grouplens.lenskit.inject.GraphtUtils: Find a node with a satisfaction for a specified type.
findTypes(Iterable<? extends T>, Class<T>) - Static method in class org.grouplens.lenskit.util.TypeUtils: Build the set of types implemented by the objects' classes.
finish() - Method in class org.grouplens.lenskit.eval.metrics.predict.MAEPredictMetric.Context
finish() - Method in class org.grouplens.lenskit.eval.metrics.predict.RMSEPredictMetric.Context
finish() - Method in class org.grouplens.lenskit.eval.metrics.topn.PrecisionRecallTopNMetric.Context
finish() - Method in class org.grouplens.lenskit.eval.metrics.topn.TopNEntropyMetric.Context
finish() - Method in interface org.grouplens.lenskit.eval.results.AlgorithmTestAccumulator: Stop the test timer and finalize the evaluation results.
finish() - Method in class org.grouplens.lenskit.scored.ScoredIdListBuilder: Destructive version of ScoredIdListBuilder.build(), re-using storage if possible.
finish() - Method in class org.grouplens.lenskit.util.io.HashDescriptionWriter: Finish the description, producing a hash code.
finish() - Method in class org.grouplens.lenskit.util.io.StringDescriptionWriter: Get the accumulated string description.
finish() - Method in class org.grouplens.lenskit.util.LogContext: Finish the context.
finish() - Method in interface org.grouplens.lenskit.util.ScoredItemAccumulator: Accumulate the scores into a sorted scored list and reset the accumulator.
finish() - Method in class org.grouplens.lenskit.util.TopNScoredItemAccumulator
finish() - Method in class org.grouplens.lenskit.util.UnlimitedScoredItemAccumulator
finishBuild() - Method in interface org.grouplens.lenskit.eval.results.AlgorithmTestAccumulator: Stop the algorithmInfo's build timer.
finishGroup() - Method in class org.grouplens.lenskit.cursors.GroupingCursor: Finish the current group and return it.
finishSet() - Method in interface org.grouplens.lenskit.util.ScoredItemAccumulator: Accumulate the scored items into a set.
finishSet() - Method in class org.grouplens.lenskit.util.TopNScoredItemAccumulator
finishSet() - Method in class org.grouplens.lenskit.util.UnlimitedScoredItemAccumulator
finishVector() - Method in interface org.grouplens.lenskit.util.ScoredItemAccumulator: Accumulate the scores into a mutable sparse vector and reset the accumulator.
finishVector() - Method in class org.grouplens.lenskit.util.TopNScoredItemAccumulator
finishVector() - Method in class org.grouplens.lenskit.util.UnlimitedScoredItemAccumulator
fixed(Collection<Long>) - Static method in class org.grouplens.lenskit.eval.metrics.topn.ItemSelectors: Select a fixed collection of items.
fixed(long...) - Static method in class org.grouplens.lenskit.eval.metrics.topn.ItemSelectors: Select a fixed collection of items.
force() - Method in class org.grouplens.lenskit.eval.EvalConfig: Query whether the script should run in “force” mode.
FORCE_PROPERTY - Static variable in class org.grouplens.lenskit.eval.EvalConfig
forClassLoader(ClassLoader) - Static method in class org.grouplens.lenskit.util.ClassDirectory: Get a class directory for a specific class loader.
forConfig(LenskitConfiguration) - Static method in class org.grouplens.lenskit.inject.RecommenderInstantiator: Deprecated.
forCurrentClassLoader() - Static method in class org.grouplens.lenskit.util.ClassDirectory: Get a class directory for the current thread's class loader.
forItem(long, Iterable<? extends E>) - Static method in class org.grouplens.lenskit.data.history.History: Create an event collection for a particular item.
forItem(long) - Static method in class org.grouplens.lenskit.data.history.History: Create an empty history for a particular item.
Formats - Class in org.grouplens.lenskit.data.text: Utility classes for event formats.
forMetric(Metric<T>) - Static method in class org.grouplens.lenskit.eval.traintest.MetricFactory: Create a metric factory that returns the provided pre-instantiated metric.
forMetricClass(Class<? extends Metric<T>>) - Static method in class org.grouplens.lenskit.eval.traintest.MetricFactory: Create a metric factory that wraps a class.
forUser(long, List<? extends E>) - Static method in class org.grouplens.lenskit.data.history.History: Create a history for a particular user.
forUser(long) - Static method in class org.grouplens.lenskit.data.history.History: Create an empty history for a particular user.
forUser(long, E...) - Static method in class org.grouplens.lenskit.data.history.History: Create a history for a particular user with an array of events.
FractionPartition<E> - Class in org.grouplens.lenskit.eval.data.crossfold: Partition a list by fraction.
FractionPartition(double) - Constructor for class org.grouplens.lenskit.eval.data.crossfold.FractionPartition: The fraction to hold out (put in the second partition).
freeze() - Method in class org.grouplens.lenskit.vectors.MutableSparseVector: Construct an immutable sparse vector from this vector's data (if possible), invalidating this vector in the process.
fromArray(IdIndexMapping, double[]) - Static method in class org.grouplens.lenskit.vectors.Vectors: Create a mutable sparse vector from an array and index mapping.
fromCollection(Collection<Long>, boolean) - Static method in class org.grouplens.lenskit.collections.LongKeyDomain: Create a key set from a collection of keys.
fromCollection(Collection<Long>) - Static method in class org.grouplens.lenskit.collections.LongKeyDomain: Create a key set from a collection of keys.
fromCSVFile(File) - Static method in class org.grouplens.lenskit.data.dao.MapItemNameDAO: Read an item list DAO from a file.
fromCursor(Cursor<Event>) - Static method in class org.grouplens.lenskit.data.dao.EventCollectionDAO: Create a new data source from a cursor of events.
fromFile(File) - Static method in class org.grouplens.lenskit.data.dao.ItemListItemDAO: Read an item list DAO from a file.
fromFile(File) - Static method in class org.grouplens.lenskit.data.dao.UserListUserDAO: Read a user list DAO from a file.
fromScoredIds(List<ScoredId>) - Static method in class org.grouplens.lenskit.vectors.Vectors
fromString(String) - Static method in class org.grouplens.lenskit.data.pref.PreferenceDomain: Parse a preference domain from a string specification.
Functional - Class in org.grouplens.lenskit.util: Functional-style utilities to go with Guava.
FunctionModelMetric - Class in org.grouplens.lenskit.eval.traintest: Model metric backed by an arbitrary function.
FunctionModelMetric(List<String>, Function<Recommender, List<Object>>) - Constructor for class org.grouplens.lenskit.eval.traintest.FunctionModelMetric
FunctionMultiModelMetric - Class in org.grouplens.lenskit.eval.traintest: Model metric backed by an arbitrary function that returns multiple rows per algorithmInfo.
FunctionMultiModelMetric(File, List<String>, Function<Recommender, List<List<Object>>>, ExperimentOutputLayout) - Constructor for class org.grouplens.lenskit.eval.traintest.FunctionMultiModelMetric
FunctionMultiModelMetric.Factory - Class in org.grouplens.lenskit.eval.traintest
FunkSVDItemScorer - Class in org.grouplens.lenskit.mf.funksvd: Do recommendations and predictions based on SVD matrix factorization.
FunkSVDItemScorer(UserEventDAO, FunkSVDModel, ItemScorer, PreferenceDomain, FunkSVDUpdateRule) - Constructor for class org.grouplens.lenskit.mf.funksvd.FunkSVDItemScorer: Construct the item scorer.
FunkSVDModel - Class in org.grouplens.lenskit.mf.funksvd: Model for FunkSVD recommendation.
FunkSVDModel(ImmutableMatrix, ImmutableMatrix, IdIndexMapping, IdIndexMapping, List<FeatureInfo>) - Constructor for class org.grouplens.lenskit.mf.funksvd.FunkSVDModel
FunkSVDModelBuilder - Class in org.grouplens.lenskit.mf.funksvd: SVD recommender builder using gradient descent (Funk SVD).
FunkSVDModelBuilder(PreferenceSnapshot, FunkSVDUpdateRule, int, double) - Constructor for class org.grouplens.lenskit.mf.funksvd.FunkSVDModelBuilder
FunkSVDUpdater - Class in org.grouplens.lenskit.mf.funksvd: Encapsulation of the FunkSVD update process.
FunkSVDUpdateRule - Class in org.grouplens.lenskit.mf.funksvd: Configuration for computing FunkSVD updates.
FunkSVDUpdateRule(double, double, ItemScorer, PreferenceDomain, StoppingCondition) - Constructor for class org.grouplens.lenskit.mf.funksvd.FunkSVDUpdateRule: Construct a new FunkSVD configuration.

G

GenericDataSource - Class in org.grouplens.lenskit.data.source: Generic data source backed by a single DAO object, implementing at least EventDAO.
GenericDataSource(String, EventDAO) - Constructor for class org.grouplens.lenskit.data.source.GenericDataSource
GenericDataSource(String, EventDAO, PreferenceDomain) - Constructor for class org.grouplens.lenskit.data.source.GenericDataSource
GenericTTDataBuilder - Class in org.grouplens.lenskit.eval.data.traintest: Builder for generic train-test data sets.
GenericTTDataBuilder() - Constructor for class org.grouplens.lenskit.eval.data.traintest.GenericTTDataBuilder
GenericTTDataBuilder(String) - Constructor for class org.grouplens.lenskit.eval.data.traintest.GenericTTDataBuilder
GenericTTDataSet - Class in org.grouplens.lenskit.eval.data.traintest: A train-test data set backed by a pair of factories.
GenericTTDataSet(String, DataSource, DataSource, DataSource, UUID, Map<String, Object>) - Constructor for class org.grouplens.lenskit.eval.data.traintest.GenericTTDataSet
get() - Method in class org.grouplens.lenskit.baseline.GlobalMeanRatingItemScorer.Builder
get() - Method in class org.grouplens.lenskit.baseline.ItemMeanRatingItemScorer.Builder
get() - Method in class org.grouplens.lenskit.baseline.LeastSquaresItemScorer.Builder
get() - Method in class org.grouplens.lenskit.basic.SimpleRatingPredictor.Provider
get() - Method in class org.grouplens.lenskit.basic.TopNGlobalItemRecommender.Provider
get() - Method in class org.grouplens.lenskit.basic.TopNItemRecommender.Provider
get(Class<T>) - Method in class org.grouplens.lenskit.core.LenskitRecommender: Get a particular component from the recommender session.
get(Class<? extends Annotation>, Class<T>) - Method in class org.grouplens.lenskit.core.LenskitRecommender: Get a particular qualified component from the recommender session.
get(Annotation, Class<T>) - Method in class org.grouplens.lenskit.core.LenskitRecommender: Get a particular qualified component from the recommender session.
get() - Method in class org.grouplens.lenskit.data.dao.packed.BinaryRatingDAO.Loader
get() - Method in class org.grouplens.lenskit.data.dao.packed.RatingSnapshotDAO.Builder
get(int) - Method in class org.grouplens.lenskit.data.history.BasicItemEventList
get(int) - Method in class org.grouplens.lenskit.data.history.BasicUserHistory
get() - Method in class org.grouplens.lenskit.data.snapshot.PackedPreferenceSnapshotBuilder
get() - Method in class org.grouplens.lenskit.data.text.CSVFileItemNameDAOProvider
get() - Method in class org.grouplens.lenskit.data.text.SimpleFileItemDAOProvider
get() - Method in class org.grouplens.lenskit.data.text.SimpleFileUserDAOProvider
get(String, String) - Method in class org.grouplens.lenskit.eval.EvalConfig: Get the value of a property.
get(String) - Method in class org.grouplens.lenskit.eval.EvalConfig: Get the value of a property.
get(long, TimeUnit) - Method in class org.grouplens.lenskit.eval.EvalTarget
get() - Method in class org.grouplens.lenskit.eval.EvalTarget
get() - Method in class org.grouplens.lenskit.eval.traintest.CachingDAOProvider
get() - Method in class org.grouplens.lenskit.external.ExternalProcessItemScorerBuilder
get() - Method in class org.grouplens.lenskit.knn.item.model.DefaultNeighborIterationStrategyProvider
get() - Method in class org.grouplens.lenskit.knn.item.model.ItemItemBuildContextProvider: Constructs and returns a new ItemItemBuildContext.
get() - Method in class org.grouplens.lenskit.knn.item.model.ItemItemModelBuilder
get() - Method in class org.grouplens.lenskit.knn.item.model.ItemwiseBuildContextProvider: Constructs and returns a new ItemItemBuildContext.
get() - Method in class org.grouplens.lenskit.knn.item.model.NormalizingItemItemModelBuilder
get() - Method in class org.grouplens.lenskit.knn.item.model.StandardVectorTruncatorProvider
get() - Method in class org.grouplens.lenskit.knn.user.UserSnapshot.Builder
get() - Method in class org.grouplens.lenskit.mf.funksvd.FunkSVDModelBuilder
get(IndexedPreference) - Method in class org.grouplens.lenskit.mf.funksvd.TrainingEstimator: Get the estimate for a preference.
get(int) - Method in class org.grouplens.lenskit.scored.PackedScoredIdList
get() - Method in class org.grouplens.lenskit.slopeone.SlopeOneModelBuilder: Constructs and returns a SlopeOneModel.
get() - Method in class org.grouplens.lenskit.transform.normalize.MeanVarianceNormalizer.Builder
get() - Method in class org.grouplens.lenskit.transform.quantize.PreferenceDomainQuantizer.AutoProvider
get() - Method in class org.grouplens.lenskit.util.RandomProvider
get(long) - Method in class org.grouplens.lenskit.vectors.SparseVector: Get the value for key.
get(long, double) - Method in class org.grouplens.lenskit.vectors.SparseVector: Get the value for key.
get(VectorEntry) - Method in class org.grouplens.lenskit.vectors.SparseVector: Get the value for the entry's key.
get(int) - Method in class org.grouplens.lenskit.vectors.Vec: Deprecated.

Get the value from the vector at the specified position.
getAction() - Method in class org.grouplens.lenskit.eval.TrainModelTask
getActiveMask() - Method in class org.grouplens.lenskit.collections.LongKeyDomain: Get the active keys as a bit set.
getAlgoAttributes() - Method in class org.grouplens.lenskit.eval.ExecutionInfo: Get the algorithmInfo attributes.
getAlgoName() - Method in class org.grouplens.lenskit.eval.ExecutionInfo: Get the algorithmInfo name.
getAlgorithm() - Method in class org.grouplens.lenskit.eval.graph.DumpGraphTask
getAlgorithm() - Method in class org.grouplens.lenskit.eval.TrainModelTask
getAnalysisDir() - Method in class org.grouplens.lenskit.eval.EvalConfig: Get the analysis directory for this evaluation.
getAnt() - Method in class org.grouplens.lenskit.eval.script.EvalScript: Get the Ant builder.
getAnt() - Method in class org.grouplens.lenskit.eval.script.TargetDelegate
getAntProject() - Method in class org.grouplens.lenskit.eval.EvalProject: Get the Ant project from this eval project.
getAntProject() - Method in class org.grouplens.lenskit.eval.script.EvalScript: Get the Ant project.
getArgs() - Method in class org.grouplens.lenskit.eval.cli.EvalCLIOptions
getAttributes() - Method in class org.grouplens.lenskit.eval.algorithm.AlgorithmInstance
getAttributes() - Method in class org.grouplens.lenskit.eval.algorithm.AlgorithmInstanceBuilder: Get the attributes of this algorithmInfo instance.
getAttributes() - Method in class org.grouplens.lenskit.eval.algorithm.AlgorithmInstanceBuilderDelegate
getAttributes() - Method in interface org.grouplens.lenskit.eval.Attributed
getAttributes() - Method in class org.grouplens.lenskit.eval.data.traintest.GenericTTDataBuilder
getAttributes() - Method in class org.grouplens.lenskit.eval.data.traintest.GenericTTDataSet
getAttributes() - Method in interface org.grouplens.lenskit.eval.data.traintest.TTDataSet: Get the data set attributes (used for identification in output).
getAttributes() - Method in class org.grouplens.lenskit.eval.traintest.ExternalAlgorithm
getAttributes() - Method in class org.grouplens.lenskit.eval.traintest.ExternalAlgorithmBuilder: Get the attributes of this algorithmInfo instance.
getAverageUserVector() - Method in class org.grouplens.lenskit.mf.funksvd.FunkSVDModel
getBaselineScorer() - Method in class org.grouplens.lenskit.baseline.FallbackItemScorer: Get the baseline scorer from this item scorer.
getBaselineScorer() - Method in class org.grouplens.lenskit.basic.SimpleRatingPredictor: Get the baseline predictor.
getBindings() - Method in class org.grouplens.lenskit.core.LenskitConfiguration
getBuilderForType(Class<T>) - Method in class org.grouplens.lenskit.eval.script.EvalScriptEngine: Get a command for a type.
getBuilderType() - Method in interface org.grouplens.lenskit.data.text.EventTypeDefinition: Get the builder type used by this type definition.
getBuilderType() - Method in class org.grouplens.lenskit.data.text.LikeBatchEventType
getBuilderType() - Method in class org.grouplens.lenskit.data.text.LikeEventType
getBuilderType() - Method in class org.grouplens.lenskit.data.text.RatingEventType
getCache() - Method in class org.grouplens.lenskit.basic.SimpleCachingItemScorer
getCacheAllComponents() - Method in class org.grouplens.lenskit.eval.traintest.TrainTestEvalTask
getCandidateNeighbors(UserHistory<? extends Event>, LongSet) - Method in class org.grouplens.lenskit.knn.user.LiveNeighborFinder
getCandidateNeighbors(UserHistory<? extends Event>, LongSet) - Method in interface org.grouplens.lenskit.knn.user.NeighborFinder: Get potential neighbors for a particular user.
getCandidateNeighbors(UserHistory<? extends Event>, LongSet) - Method in class org.grouplens.lenskit.knn.user.SnapshotNeighborFinder
getCandidates() - Method in class org.grouplens.lenskit.eval.metrics.topn.TopNMetricBuilder: Get the candidate item selector.
getChannel(TypedSymbol<K>) - Method in class org.grouplens.lenskit.vectors.ImmutableSparseVector
getChannel(TypedSymbol<K>) - Method in class org.grouplens.lenskit.vectors.MutableSparseVector
getChannel(TypedSymbol<K>) - Method in class org.grouplens.lenskit.vectors.SparseVector: Fetch the channel stored under a particular typed symbol.
getChannels() - Method in class org.grouplens.lenskit.eval.traintest.OutputPredictMetric.FactoryBuilder
getChannels() - Method in interface org.grouplens.lenskit.scored.ScoredId: Get the channels associated with a scored ID.
getChannelSymbols() - Method in class org.grouplens.lenskit.scored.AbstractScoredId
getChannelSymbols() - Method in interface org.grouplens.lenskit.scored.ScoredId: Determine the typed symbols associated with all side channels of a ScoredId.
getChannelSymbols() - Method in class org.grouplens.lenskit.vectors.ImmutableSparseVector
getChannelSymbols() - Method in class org.grouplens.lenskit.vectors.MutableSparseVector
getChannelSymbols() - Method in class org.grouplens.lenskit.vectors.SparseVector: Retrieve all symbols that map to typed side channels for this vector.
getChannelValue(TypedSymbol<T>) - Method in interface org.grouplens.lenskit.scored.ScoredId: Get the value for a channel.
getChannelVector(Symbol) - Method in class org.grouplens.lenskit.vectors.ImmutableSparseVector
getChannelVector(Symbol) - Method in class org.grouplens.lenskit.vectors.MutableSparseVector
getChannelVector(Symbol) - Method in class org.grouplens.lenskit.vectors.SparseVector: Get the vector associated with a particular unboxed channel.
getChannelVectorSymbols() - Method in class org.grouplens.lenskit.vectors.ImmutableSparseVector
getChannelVectorSymbols() - Method in class org.grouplens.lenskit.vectors.MutableSparseVector
getChannelVectorSymbols() - Method in class org.grouplens.lenskit.vectors.SparseVector: Retrieve all symbols that map to side channels for this vector.
getClassLoader() - Method in class org.grouplens.lenskit.cli.ScriptEnvironment: Get the class loader for this script environment.
getClassLoader() - Method in class org.grouplens.lenskit.core.LenskitRecommenderEngineBuilder: Get the class loader this builder will use.
getClassLoader() - Method in class org.grouplens.lenskit.core.LenskitRecommenderEngineLoader: Get the configured class loader.
getClassLoader(ClassLoader) - Method in class org.grouplens.lenskit.eval.cli.EvalCLIOptions
getClassLoader() - Method in class org.grouplens.lenskit.eval.cli.EvalCLIOptions
getClassLoader() - Method in class org.grouplens.lenskit.eval.EvalProject: Get the class loader that should be used for custom class loading.
getClasspath() - Method in class org.grouplens.lenskit.cli.ScriptEnvironment: Get the classpath.
getColumnCount() - Method in class org.grouplens.lenskit.util.table.TableLayout: Get the number of columns in this layout.
getColumnCount() - Method in class org.grouplens.lenskit.util.table.TableLayoutBuilder: Get the number of columns currently in the layout.
getColumnLabels() - Method in class org.grouplens.lenskit.eval.metrics.AbstractMetric
getColumnLabels() - Method in interface org.grouplens.lenskit.eval.metrics.Metric: Get labels for the aggregate columns output by this evaluator.
getColumnLabels() - Method in class org.grouplens.lenskit.eval.metrics.ResultConverter: Get the labels of the columns produced by this converter.
getColumnLabels() - Method in class org.grouplens.lenskit.eval.traintest.FunctionModelMetric
getColumnLabels() - Method in class org.grouplens.lenskit.eval.traintest.FunctionMultiModelMetric.Factory
getColumnLabels() - Method in class org.grouplens.lenskit.eval.traintest.FunctionMultiModelMetric
getColumnLabels() - Method in class org.grouplens.lenskit.eval.traintest.MetricFactory
getColumnLabels() - Method in class org.grouplens.lenskit.eval.traintest.OutputPredictMetric.Factory
getColumnLabels() - Method in class org.grouplens.lenskit.eval.traintest.OutputTopNMetric.Factory
getColumns(T) - Method in class org.grouplens.lenskit.eval.metrics.ResultConverter: Get the column values for a result instance.
getColumns() - Method in class org.grouplens.lenskit.util.table.TableLayout: Get the headers of the columns.
getCommand(Namespace) - Static method in class org.grouplens.lenskit.cli.Main
getCommand() - Method in class org.grouplens.lenskit.eval.traintest.ExternalAlgorithm
getComponent(Class<T>) - Method in class org.grouplens.lenskit.core.LenskitRecommenderEngine: Get the component of a particular type, if one is already instantiated.
getComponentCacheDirectory() - Method in class org.grouplens.lenskit.eval.traintest.TrainTestEvalTask
getCompressorName() - Method in enum org.grouplens.lenskit.util.io.CompressionMode
getConfig() - Method in class org.grouplens.lenskit.config.LenskitConfigDSL: Get the LensKit configuration being configured.
getConfig() - Method in class org.grouplens.lenskit.config.LenskitConfigScript
getConfig() - Method in class org.grouplens.lenskit.eval.algorithm.AlgorithmInstance
getConfig() - Method in class org.grouplens.lenskit.eval.algorithm.AlgorithmInstanceBuilder
getConfig() - Method in class org.grouplens.lenskit.eval.EvalProject: Get the (legacy) configuration view of this project.
getConfig() - Method in class org.grouplens.lenskit.eval.script.EvalScript
getConfigFiles() - Method in class org.grouplens.lenskit.cli.Graph
getConfigFiles() - Method in class org.grouplens.lenskit.cli.RecommenderLoader
getConfigFiles() - Method in class org.grouplens.lenskit.cli.TrainModel
getConfigLoader() - Method in class org.grouplens.lenskit.config.LenskitConfigDSL: Get the configuration loader associated with this DSL (used to power the LenskitConfigDSL.include(java.io.File) method).
getConfiguration() - Method in class org.grouplens.lenskit.cli.InputData
getContext() - Method in class org.grouplens.lenskit.config.BindingDSL: Get the LensKit context.
getCoratings(long, long) - Method in class org.grouplens.lenskit.slopeone.SlopeOneModel
getCount() - Method in interface org.grouplens.lenskit.data.event.LikeBatch: Get the number of likes
getCount() - Method in interface org.grouplens.lenskit.transform.quantize.Quantizer: Get the number of discrete values the output can take.
getCount() - Method in class org.grouplens.lenskit.transform.quantize.ValueArrayQuantizer
getCount() - Method in class org.grouplens.lenskit.util.statistics.MeanAccumulator
getCount() - Method in class org.grouplens.lenskit.util.statistics.MutualInformationAccumulator: Get the number of events.
getCoverage() - Method in class org.grouplens.lenskit.eval.metrics.predict.CoveragePredictMetric.Coverage
getDamping() - Method in class org.grouplens.lenskit.transform.normalize.MeanVarianceNormalizer: Get the damping term.
getDataAttributes() - Method in class org.grouplens.lenskit.eval.ExecutionInfo: Get the data set attributes.
getDataDir() - Method in class org.grouplens.lenskit.eval.EvalConfig: Get the data directory for this evaluation.
getDataName() - Method in class org.grouplens.lenskit.eval.ExecutionInfo: Get the data set name.
getDataSet() - Method in class org.grouplens.lenskit.eval.ExecutionInfo: Get the active train-test data set.
getDefaultCachePolicy() - Method in class org.grouplens.lenskit.inject.PlaceholderSatisfaction
getDefaultExcludes(LongSet) - Method in class org.grouplens.lenskit.basic.TopNGlobalItemRecommender: Get the default exclude set for a item in the global recommendation.
getDefaultExcludes(long) - Method in class org.grouplens.lenskit.basic.TopNItemRecommender: Get the default exclude set for a user.
getDefaultExcludes(UserHistory<? extends Event>) - Method in class org.grouplens.lenskit.basic.TopNItemRecommender: Get the default exclude set for a user.
getDefaultFields() - Method in interface org.grouplens.lenskit.data.text.EventTypeDefinition: Get the default field list for loading this event from text fields.
getDefaultFields() - Method in class org.grouplens.lenskit.data.text.LikeBatchEventType
getDefaultFields() - Method in class org.grouplens.lenskit.data.text.LikeEventType
getDefaultFields() - Method in class org.grouplens.lenskit.data.text.RatingEventType
getDefaultTarget() - Method in class org.grouplens.lenskit.eval.EvalProject
getDelegate() - Method in class org.grouplens.lenskit.vectors.similarity.SignificanceWeightedVectorSimilarity: Get the underlying similarity (for debuggin purposes).
getDelimiter() - Method in class org.grouplens.lenskit.cli.PackRatings
getDelimiter() - Method in class org.grouplens.lenskit.data.source.TextDataSourceBuilder: Get the input delimiter.
getDelimiter() - Method in class org.grouplens.lenskit.data.text.DelimitedColumnEventFormat
getDependencies() - Method in class org.grouplens.lenskit.inject.PlaceholderSatisfaction
getDeps(Object) - Method in class org.grouplens.lenskit.eval.script.ConfigMethodInvoker
getDeviation(long, long) - Method in class org.grouplens.lenskit.slopeone.SlopeOneModel
getDirectory() - Method in class org.grouplens.lenskit.config.ConfigurationLoader
getDomain() - Method in class org.grouplens.lenskit.data.source.PackedDataSourceBuilder
getDomain() - Method in class org.grouplens.lenskit.data.source.TextDataSourceBuilder
getDomain() - Method in class org.grouplens.lenskit.eval.graph.DumpGraphTask
getDomain() - Method in class org.grouplens.lenskit.mf.funksvd.FunkSVDUpdateRule
getDoubleValue() - Method in class org.grouplens.lenskit.symbols.DoubleSymbolValue
getEffectiveCompressionMode(String) - Method in enum org.grouplens.lenskit.util.io.CompressionMode: Get the effective compression mode.
getEngine() - Method in class org.grouplens.lenskit.eval.script.EvalScript: Get the engine in use for this script.
getErasedType() - Method in class org.grouplens.lenskit.inject.PlaceholderSatisfaction
getError() - Method in class org.grouplens.lenskit.mf.funksvd.FunkSVDUpdater: Get the error from the prepared update.
getEval() - Method in class org.grouplens.lenskit.eval.script.EvalScript: Get the evaluator script.
getEvalConfig() - Method in class org.grouplens.lenskit.eval.traintest.SimpleEvaluator
getEvalTask() - Method in class org.grouplens.lenskit.eval.EvalAntTask
getEventBus() - Method in class org.grouplens.lenskit.eval.EvalProject: Get this project's event bus.
getEventComparator() - Method in enum org.grouplens.lenskit.data.dao.SortOrder: Get the event comparator for a sort order.
getEventDAO() - Method in class org.grouplens.lenskit.cli.InputData
getEventDAO() - Method in interface org.grouplens.lenskit.data.source.DataSource: Get an event DAO for this data source.
getEventDAO() - Method in class org.grouplens.lenskit.data.source.GenericDataSource
getEventDAO() - Method in class org.grouplens.lenskit.data.source.PackedDataSource
getEventDAO() - Method in class org.grouplens.lenskit.data.source.TextDataSource
getEventsForItem(long) - Method in interface org.grouplens.lenskit.data.dao.ItemEventDAO: Get the events for a specific item.
getEventsForItem(long, Class<E>) - Method in interface org.grouplens.lenskit.data.dao.ItemEventDAO: Get the events for a specific item, filtering by type.
getEventsForItem(long) - Method in class org.grouplens.lenskit.data.dao.packed.BinaryRatingDAO
getEventsForItem(long, Class<E>) - Method in class org.grouplens.lenskit.data.dao.packed.BinaryRatingDAO
getEventsForItem(long) - Method in class org.grouplens.lenskit.data.dao.packed.RatingSnapshotDAO
getEventsForItem(long, Class<E>) - Method in class org.grouplens.lenskit.data.dao.packed.RatingSnapshotDAO
getEventsForItem(long) - Method in class org.grouplens.lenskit.data.dao.PrefetchingItemEventDAO
getEventsForItem(long, Class<E>) - Method in class org.grouplens.lenskit.data.dao.PrefetchingItemEventDAO
getEventsForItem(long) - Method in class org.grouplens.lenskit.data.sql.JDBCRatingDAO
getEventsForItem(long, Class<E>) - Method in class org.grouplens.lenskit.data.sql.JDBCRatingDAO
getEventsForUser(long) - Method in class org.grouplens.lenskit.data.dao.packed.BinaryRatingDAO
getEventsForUser(long, Class<E>) - Method in class org.grouplens.lenskit.data.dao.packed.BinaryRatingDAO
getEventsForUser(long) - Method in class org.grouplens.lenskit.data.dao.packed.RatingSnapshotDAO
getEventsForUser(long, Class<E>) - Method in class org.grouplens.lenskit.data.dao.packed.RatingSnapshotDAO
getEventsForUser(long) - Method in class org.grouplens.lenskit.data.dao.PrefetchingUserEventDAO
getEventsForUser(long, Class<E>) - Method in class org.grouplens.lenskit.data.dao.PrefetchingUserEventDAO
getEventsForUser(long) - Method in interface org.grouplens.lenskit.data.dao.UserEventDAO: Get the events for a specific user.
getEventsForUser(long, Class<E>) - Method in interface org.grouplens.lenskit.data.dao.UserEventDAO: Get the events for a specific user, filtering by type.
getEventsForUser(long) - Method in class org.grouplens.lenskit.data.sql.JDBCRatingDAO
getEventsForUser(long, Class<E>) - Method in class org.grouplens.lenskit.data.sql.JDBCRatingDAO
getEventTypeDefinition() - Method in class org.grouplens.lenskit.data.text.DelimitedColumnEventFormat
getExclude() - Method in class org.grouplens.lenskit.eval.metrics.topn.TopNMetricBuilder: Get the exclude item selector.
getExpectedBuilderTypes() - Method in interface org.grouplens.lenskit.data.text.Field: Get the set of event builder types that this field can apply to.
getExperiments() - Method in class org.grouplens.lenskit.eval.traintest.TrainTestEvalTask
getFeature() - Method in class org.grouplens.lenskit.mf.funksvd.FeatureInfo.Builder: Get the feature's number.
getFeature() - Method in class org.grouplens.lenskit.mf.funksvd.FeatureInfo: Get the feature number.
getFeatureCount() - Method in class org.grouplens.lenskit.mf.svd.MFModel: Get the model's feature count.
getFeatureInfo(int) - Method in class org.grouplens.lenskit.mf.funksvd.FunkSVDModel: Get the FeatureInfo for a particular feature.
getFeatureInfo() - Method in class org.grouplens.lenskit.mf.funksvd.FunkSVDModel: Get the metadata about all features.
getFields() - Method in class org.grouplens.lenskit.data.text.DelimitedColumnEventFormat: Get the field list.
getFile() - Method in class org.grouplens.lenskit.cli.Eval
getFile() - Method in class org.grouplens.lenskit.data.source.PackedDataSourceBuilder: Get the input file.
getFile() - Method in class org.grouplens.lenskit.data.source.TextDataSource
getFile() - Method in class org.grouplens.lenskit.data.source.TextDataSourceBuilder: Get the input file.
getFile() - Method in class org.grouplens.lenskit.eval.traintest.OutputPredictMetric.FactoryBuilder
getFile() - Method in class org.grouplens.lenskit.eval.traintest.OutputTopNMetric.FactoryBuilder
getFiles(String) - Method in class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask: Get the list of files satisfying the specified name pattern
getForce() - Method in class org.grouplens.lenskit.cli.Eval
getForce() - Method in class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask
getFormat() - Method in class org.grouplens.lenskit.data.source.TextDataSource
getFormat() - Method in class org.grouplens.lenskit.data.source.TextDataSourceBuilder: Get the currently-configured event format.
getFraction() - Method in class org.grouplens.lenskit.eval.data.subsample.SubsampleTask: Get the size of file.
getGlobalItemRecommender() - Method in class org.grouplens.lenskit.core.LenskitRecommender
getGlobalItemRecommender() - Method in interface org.grouplens.lenskit.Recommender: Get the recommender's global item recommender.
getGlobalItemScorer() - Method in class org.grouplens.lenskit.core.LenskitRecommender
getGlobalItemScorer() - Method in interface org.grouplens.lenskit.Recommender: Get the recommender's global item scorer.
getGlobalVariance() - Method in class org.grouplens.lenskit.transform.normalize.MeanVarianceNormalizer: Get the global variance.
getGoodItems() - Method in class org.grouplens.lenskit.eval.metrics.topn.IndependentRecallTopNMetric.Builder
getGoodItems() - Method in class org.grouplens.lenskit.eval.metrics.topn.MAPTopNMetric.Builder
getGoodItems() - Method in class org.grouplens.lenskit.eval.metrics.topn.MRRTopNMetric.Builder
getGoodItems() - Method in class org.grouplens.lenskit.eval.metrics.topn.PrecisionRecallTopNMetric.Builder
getGraph() - Method in class org.grouplens.lenskit.core.LenskitRecommenderEngine: Get the dependency graph of the recommender engine.
getGraph() - Method in class org.grouplens.lenskit.inject.RecommenderInstantiator: Get the graph from this instantiator.
getHeaderLines() - Method in class org.grouplens.lenskit.data.source.TextDataSourceBuilder: Get the number of header lines that will be skipped.
getHeaderLines() - Method in class org.grouplens.lenskit.data.text.DelimitedColumnEventFormat
getHeaderLines() - Method in interface org.grouplens.lenskit.data.text.EventFormat: Get the number of header lines to skip in the file.
getHeadRevision() - Static method in class org.grouplens.lenskit.core.LenskitInfo: Get the HEAD revision from which LensKit was built.
getHoldout() - Method in class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask
getId() - Method in class org.grouplens.lenskit.basic.SimpleCachingItemScorer
getId(int) - Method in class org.grouplens.lenskit.indexes.IdIndexMapping: Get the ID for an index.
getId(int) - Method in class org.grouplens.lenskit.indexes.MutableIdIndexMapping
getId() - Method in interface org.grouplens.lenskit.scored.ScoredId: Retrieve the numerical identifier of this ScoredId.
getId(int) - Method in interface org.grouplens.lenskit.util.Index: Deprecated.

Get the id for an index.
getId(int) - Method in class org.grouplens.lenskit.util.Indexer: Deprecated.
getIdList() - Method in class org.grouplens.lenskit.indexes.IdIndexMapping: Get the list of indexed IDs.
getIdList() - Method in class org.grouplens.lenskit.indexes.MutableIdIndexMapping
getIds() - Method in interface org.grouplens.lenskit.util.Index: Deprecated.

Get the list of IDs.
getIds() - Method in class org.grouplens.lenskit.util.Indexer: Deprecated.
getIdSet(PreparedStatement) - Method in class org.grouplens.lenskit.data.sql.JDBCRatingDAO
getIncludeTimestamps() - Method in class org.grouplens.lenskit.eval.data.pack.PackTask: Get whether to include timestamps.
getIndex(long) - Method in class org.grouplens.lenskit.collections.LongKeyDomain: Get the index for a key, regardless of its active state.
getIndex() - Method in interface org.grouplens.lenskit.data.pref.IndexedPreference: Get the preference index.
getIndex(long) - Method in class org.grouplens.lenskit.indexes.IdIndexMapping: Get the index of an ID.
getIndex(long) - Method in interface org.grouplens.lenskit.util.Index: Deprecated.

Get the index of an id.
getIndex(long) - Method in class org.grouplens.lenskit.util.Indexer: Deprecated.
getIndexIfActive(long) - Method in class org.grouplens.lenskit.collections.LongKeyDomain: Get the index for a key if that key is active.
getIndexValue(int) - Method in interface org.grouplens.lenskit.transform.quantize.Quantizer: Get the value corresponding to a quantized value, based on the index into the list of possible values.
getIndexValue(int) - Method in class org.grouplens.lenskit.transform.quantize.ValueArrayQuantizer
getInputData() - Method in class org.grouplens.lenskit.eval.TrainModelTask
getInstance(Class<T>) - Method in class org.grouplens.lenskit.inject.StaticInjector
getInstance(Class<? extends Annotation>, Class<T>) - Method in class org.grouplens.lenskit.inject.StaticInjector
getInstance(QualifierMatcher, Class<T>) - Method in class org.grouplens.lenskit.inject.StaticInjector
getInstance(Annotation, Class<T>) - Method in class org.grouplens.lenskit.inject.StaticInjector
getIsolate() - Method in class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask: Query whether this task will produce isolated data sets.
getIsolationGroup() - Method in class org.grouplens.lenskit.eval.data.traintest.GenericTTDataSet
getIsolationGroup() - Method in interface org.grouplens.lenskit.eval.data.traintest.TTDataSet: Get the isolation group ID for this data set.
getItemAverage() - Method in class org.grouplens.lenskit.mf.funksvd.FeatureInfo.Builder
getItemAverage() - Method in class org.grouplens.lenskit.mf.funksvd.FeatureInfo: Get the item average value of this feature.
getItemColumn() - Method in class org.grouplens.lenskit.data.sql.BasicSQLStatementFactory: Get the name of the item ID column in the rating table.
getItemColumn() - Method in class org.grouplens.lenskit.data.sql.JDBCRatingDAOBuilder
getItemCount() - Method in class org.grouplens.lenskit.mf.svd.MFModel: The number of items.
getItemDAO() - Method in class org.grouplens.lenskit.data.source.AbstractDataSource: Default item DAO implementation.
getItemDAO() - Method in interface org.grouplens.lenskit.data.source.DataSource: Get an item DAO for this data source.
getItemDAO() - Method in class org.grouplens.lenskit.data.source.PackedDataSource
getItemDAO() - Method in class org.grouplens.lenskit.data.source.TextDataSource
getItemEventDAO() - Method in class org.grouplens.lenskit.data.source.AbstractDataSource: Default item-event DAO implementation.
getItemEventDAO() - Method in interface org.grouplens.lenskit.data.source.DataSource: Get a item-event DAO for this data source.
getItemEventDAO() - Method in class org.grouplens.lenskit.data.source.PackedDataSource
getItemFeature(long, int) - Method in class org.grouplens.lenskit.mf.svd.MFModel: Get a particular feature value for an item.
getItemFeatureUpdate() - Method in class org.grouplens.lenskit.mf.funksvd.FunkSVDUpdater: Get the update for the item-feature value.
getItemFile() - Method in class org.grouplens.lenskit.data.source.TextDataSourceBuilder: Get the item file.
getItemId() - Method in interface org.grouplens.lenskit.data.event.Event: Get the item ID.
getItemId() - Method in class org.grouplens.lenskit.data.event.MutableRating
getItemId() - Method in class org.grouplens.lenskit.data.event.RatingBuilder: Get the item ID.
getItemId() - Method in class org.grouplens.lenskit.data.history.BasicItemEventList
getItemId() - Method in interface org.grouplens.lenskit.data.history.ItemEventCollection: Get the item ID associated with this collection.
getItemId() - Method in interface org.grouplens.lenskit.data.pref.Preference: Get the ID of the item the preference is for.
getItemIds() - Method in interface org.grouplens.lenskit.data.dao.ItemDAO: Get all known item IDs.
getItemIds() - Method in class org.grouplens.lenskit.data.dao.ItemListItemDAO
getItemIds() - Method in class org.grouplens.lenskit.data.dao.MapItemNameDAO
getItemIds() - Method in class org.grouplens.lenskit.data.dao.packed.BinaryRatingDAO
getItemIds() - Method in class org.grouplens.lenskit.data.dao.packed.RatingSnapshotDAO
getItemIds() - Method in class org.grouplens.lenskit.data.dao.PrefetchingItemDAO
getItemIds() - Method in class org.grouplens.lenskit.data.snapshot.PackedPreferenceSnapshot
getItemIds() - Method in interface org.grouplens.lenskit.data.snapshot.PreferenceSnapshot: Get the set of item IDs in the snapshot.
getItemIds() - Method in class org.grouplens.lenskit.data.sql.JDBCRatingDAO
getItemIndex() - Method in interface org.grouplens.lenskit.data.pref.IndexedPreference: Get the item index.
getItemIndex() - Method in class org.grouplens.lenskit.mf.svd.MFModel: The item index mapping.
getItemMatrix() - Method in class org.grouplens.lenskit.mf.svd.MFModel: Get the item matrix.
getItemName(long) - Method in interface org.grouplens.lenskit.data.dao.ItemNameDAO: Get the name for an item.
getItemName(long) - Method in class org.grouplens.lenskit.data.dao.MapItemNameDAO
getItemNameDAO() - Method in class org.grouplens.lenskit.data.source.AbstractDataSource: Get the item name DAO.
getItemNameDAO() - Method in interface org.grouplens.lenskit.data.source.DataSource: Get an item name DAO for this data source.
getItemNameDAO() - Method in class org.grouplens.lenskit.data.source.PackedDataSource
getItemNameDAO() - Method in class org.grouplens.lenskit.data.source.TextDataSource
getItemNameFile() - Method in class org.grouplens.lenskit.data.source.TextDataSourceBuilder: Get the item file.
getItemPairIterator() - Method in class org.grouplens.lenskit.knn.item.model.ItemItemBuildContext: Deprecated.
This will go away in LensKit 3.0.
getItemPairs() - Method in class org.grouplens.lenskit.knn.item.model.ItemItemBuildContext: Deprecated.
This will go away in LensKit 3.0.
getItemRecommender() - Method in class org.grouplens.lenskit.core.LenskitRecommender
getItemRecommender() - Method in interface org.grouplens.lenskit.Recommender: Get the recommender's item recommender.
getItems() - Method in class org.grouplens.lenskit.knn.item.model.ItemItemBuildContext: Get the set of items.
getItemScorer() - Method in class org.grouplens.lenskit.core.LenskitRecommender
getItemScorer() - Method in interface org.grouplens.lenskit.Recommender: Get the recommender's item scorer.
getItemUniverse() - Method in interface org.grouplens.lenskit.knn.item.model.ItemItemModel: Get the set of all items in the model.
getItemUniverse() - Method in class org.grouplens.lenskit.knn.item.model.SimilarityMatrixModel
getItemUsers(long) - Method in class org.grouplens.lenskit.knn.user.UserSnapshot
getItemVector(long) - Method in class org.grouplens.lenskit.mf.svd.MFModel
getIterationCount() - Method in class org.grouplens.lenskit.iterative.IterationCountStoppingCondition: Get the number of iterations the stopper requires.
getIterationCount() - Method in interface org.grouplens.lenskit.iterative.TrainingLoopController: Get the current iteration count.
getIterCount() - Method in class org.grouplens.lenskit.mf.funksvd.FeatureInfo: Get the iteration count for the feature.
getKey(int) - Method in class org.grouplens.lenskit.collections.LongKeyDomain: Get the key at an index.
getKey() - Method in class org.grouplens.lenskit.vectors.VectorEntry: Get the key at this entry.
getLastDeltaRMSE() - Method in class org.grouplens.lenskit.mf.funksvd.FeatureInfo: Get the last delta RMSE of the feature.
getLastRMSE() - Method in class org.grouplens.lenskit.mf.funksvd.FeatureInfo: Get the last training RMSE of the feature.
getLayout() - Method in interface org.grouplens.lenskit.util.table.Table: Get the layout of this table.
getLayout() - Method in class org.grouplens.lenskit.util.table.TableBuilder
getLayout() - Method in class org.grouplens.lenskit.util.table.writer.CSVWriter
getLayout() - Method in class org.grouplens.lenskit.util.table.writer.MultiplexedTableWriter
getLayout() - Method in interface org.grouplens.lenskit.util.table.writer.TableWriter: Get the layout of this table.
getLearningRate() - Method in class org.grouplens.lenskit.mf.funksvd.FunkSVDUpdateRule
getLineNumber() - Method in class org.grouplens.lenskit.util.DelimitedTextCursor: Return the number of the line returned by the last call to DelimitedTextCursor.next().
getLineNumber() - Method in class org.grouplens.lenskit.util.LineCursor: Return the number of the line returned by the last call to AbstractPollingCursor.next().
getListSize() - Method in class org.grouplens.lenskit.eval.metrics.topn.TopNMetricBuilder: Get the list size.
getLong(int) - Method in class org.grouplens.lenskit.collections.CompactableLongArrayList
getMaximum() - Method in class org.grouplens.lenskit.data.pref.PreferenceDomain: The maximum preference value.
getMaximum() - Method in class org.grouplens.lenskit.data.pref.PreferenceDomainBuilder: Get the maximum preference.
getMean() - Method in class org.grouplens.lenskit.util.statistics.MeanAccumulator
getMeasurements() - Method in class org.grouplens.lenskit.eval.traintest.TrainTestEvalTask
getMethod() - Method in class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask: Get the method to be used for crossfolding.
getMinimum() - Method in class org.grouplens.lenskit.data.pref.PreferenceDomain: The minimum preference value.
getMinimum() - Method in class org.grouplens.lenskit.data.pref.PreferenceDomainBuilder: Get the minimum preference.
getMinimumIterations() - Method in class org.grouplens.lenskit.iterative.ErrorThresholdStoppingCondition: Get the minimum iteration count.
getMinimumIterations() - Method in class org.grouplens.lenskit.iterative.ThresholdStoppingCondition: Get the minimum iteration count.
getMode() - Method in class org.grouplens.lenskit.eval.data.subsample.SubsampleTask: Get the mode of the subsample.
getModel() - Method in interface org.grouplens.lenskit.knn.item.ItemItemModelBackedGlobalScorer: Get the item-item model backing this scorer.
getModel() - Method in class org.grouplens.lenskit.slopeone.SlopeOneItemScorer
getMutualInformation() - Method in class org.grouplens.lenskit.util.statistics.MutualInformationAccumulator: Get the mutual information.
getName() - Method in interface org.grouplens.lenskit.data.source.DataSource: Get the data source name.
getName() - Method in class org.grouplens.lenskit.data.source.GenericDataSource
getName() - Method in class org.grouplens.lenskit.data.source.PackedDataSource
getName() - Method in class org.grouplens.lenskit.data.source.PackedDataSourceBuilder
getName() - Method in class org.grouplens.lenskit.data.source.TextDataSource
getName() - Method in class org.grouplens.lenskit.data.source.TextDataSourceBuilder
getName() - Method in interface org.grouplens.lenskit.data.text.EventTypeDefinition: A simple name for this event
getName() - Method in class org.grouplens.lenskit.data.text.LikeBatchEventType
getName() - Method in class org.grouplens.lenskit.data.text.LikeEventType
getName() - Method in class org.grouplens.lenskit.data.text.RatingEventType
getName() - Method in class org.grouplens.lenskit.eval.AbstractTask: Get the task's name.
getName() - Method in class org.grouplens.lenskit.eval.algorithm.AlgorithmInstance: Get the name of this algorithmInfo.
getName() - Method in class org.grouplens.lenskit.eval.algorithm.AlgorithmInstanceBuilder: Get the algorithmInfo name.
getName() - Method in class org.grouplens.lenskit.eval.algorithm.AlgorithmInstanceBuilderDelegate
getName() - Method in interface org.grouplens.lenskit.eval.Attributed
getName() - Method in class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask: Get the visible name of this crossfold split.
getName() - Method in class org.grouplens.lenskit.eval.data.traintest.GenericTTDataBuilder
getName() - Method in class org.grouplens.lenskit.eval.data.traintest.GenericTTDataSet
getName() - Method in interface org.grouplens.lenskit.eval.data.traintest.TTDataSet: Get the data set name.
getName() - Method in class org.grouplens.lenskit.eval.graph.DumpGraphTask
getName() - Method in class org.grouplens.lenskit.eval.traintest.ExternalAlgorithm
getName() - Method in class org.grouplens.lenskit.eval.traintest.ExternalAlgorithmBuilder: Get the algorithmInfo name.
getName() - Method in class org.grouplens.lenskit.symbols.Symbol: Get the name for a symbol.
getName() - Method in class org.grouplens.lenskit.symbols.TypedSymbol: Get the name for a symbol.
getNeighbors(long) - Method in interface org.grouplens.lenskit.knn.item.model.ItemItemModel: Get the neighbors of an item scored by similarity.
getNeighbors(long) - Method in class org.grouplens.lenskit.knn.item.model.SimilarityMatrixModel
getNormalizedUserVector(long) - Method in class org.grouplens.lenskit.knn.user.UserSnapshot
getNormalizer() - Method in class org.grouplens.lenskit.knn.item.ItemItemScorer
getObjectCount() - Method in interface org.grouplens.lenskit.util.Index: Deprecated.

Get the number of IDs in the index.
getObjectCount() - Method in class org.grouplens.lenskit.util.Indexer: Deprecated.
getOrAddChannel(TypedSymbol<K>) - Method in class org.grouplens.lenskit.vectors.MutableSparseVector: Add a typed channel to the vector, even if there is already a channel with the same symbol.
getOrAddChannelVector(Symbol) - Method in class org.grouplens.lenskit.vectors.MutableSparseVector: Add a channel to the vector, even if there is already a channel with the same symbol.
getOrder() - Method in class org.grouplens.lenskit.eval.data.crossfold.Holdout
getOutput() - Method in class org.grouplens.lenskit.eval.data.subsample.SubsampleTask: Get the output name of subsample file.
getOutput() - Method in class org.grouplens.lenskit.eval.graph.DumpGraphTask
getOutputDelimiter() - Method in class org.grouplens.lenskit.eval.traintest.ExternalAlgorithm
getOutputFile() - Method in class org.grouplens.lenskit.cli.Graph
getOutputFile() - Method in class org.grouplens.lenskit.cli.PackRatings
getOutputFile() - Method in class org.grouplens.lenskit.cli.TrainModel
getOutputLayout() - Method in class org.grouplens.lenskit.eval.traintest.TrainTestEvalTask
getOutputs() - Method in class org.grouplens.lenskit.eval.traintest.TrainTestEvalTask
getPackages(String) - Method in class org.grouplens.lenskit.util.ClassDirectory: Get the packages that contain a class with the specified name.
getPackedFile() - Method in class org.grouplens.lenskit.data.source.PackedDataSource
getPartitionCount() - Method in class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask: Get the number of folds.
getPartitionMethod() - Method in class org.grouplens.lenskit.eval.data.crossfold.Holdout
getPlaceholderNodes(DAGNode<Component, Dependency>) - Static method in class org.grouplens.lenskit.inject.GraphtUtils: Get the placeholder nodes from a graph.
getPrecision() - Method in class org.grouplens.lenskit.data.pref.PreferenceDomain: The precision of preference values.
getPrecision() - Method in class org.grouplens.lenskit.data.pref.PreferenceDomainBuilder: Get the preference precision.
getPredictableItems(long) - Method in class org.grouplens.lenskit.basic.TopNItemRecommender: Determine the items for which predictions can be made for a certain user.
getPredictions() - Method in class org.grouplens.lenskit.eval.traintest.LenskitTestUser
getPredictions() - Method in class org.grouplens.lenskit.eval.traintest.MockTestUser.Builder
getPredictions() - Method in class org.grouplens.lenskit.eval.traintest.MockTestUser
getPredictions() - Method in interface org.grouplens.lenskit.eval.traintest.TestUser: Get the user's predictions.
getPreference() - Method in class org.grouplens.lenskit.data.event.MutableRating
getPreference() - Method in interface org.grouplens.lenskit.data.event.Rating: Get the expressed preference.
getPreferenceDomain() - Method in class org.grouplens.lenskit.basic.SimpleRatingPredictor: Get the preference domain.
getPreferenceDomain() - Method in interface org.grouplens.lenskit.data.source.DataSource: Get the preference domain of this data source.
getPreferenceDomain() - Method in class org.grouplens.lenskit.data.source.GenericDataSource
getPreferenceDomain() - Method in class org.grouplens.lenskit.data.source.PackedDataSource
getPreferenceDomain() - Method in class org.grouplens.lenskit.data.source.TextDataSource
getPreferenceDomain() - Method in class org.grouplens.lenskit.transform.quantize.PreferenceDomainQuantizer
getPrefix() - Method in class org.grouplens.lenskit.eval.metrics.AbstractMetric: A prefix to be applied to column names.
getPrefix() - Method in class org.grouplens.lenskit.eval.metrics.topn.IndependentRecallTopNMetric
getPrefix() - Method in class org.grouplens.lenskit.eval.metrics.topn.MAPTopNMetric
getPrefix() - Method in class org.grouplens.lenskit.eval.metrics.topn.MRRTopNMetric
getPrefix() - Method in class org.grouplens.lenskit.eval.metrics.topn.NDCGTopNMetric
getPrefix() - Method in class org.grouplens.lenskit.eval.metrics.topn.PrecisionRecallTopNMetric
getPrefix() - Method in class org.grouplens.lenskit.eval.metrics.topn.TopNEntropyMetric
getPrefix() - Method in class org.grouplens.lenskit.eval.metrics.topn.TopNLengthMetric
getPrefix() - Method in class org.grouplens.lenskit.eval.metrics.topn.TopNMetricBuilder: Get the prefix (or null if no prefix is set) to be applied to each column label.
getPrefix() - Method in class org.grouplens.lenskit.eval.metrics.topn.TopNPopularityMetric
getPreload() - Method in class org.grouplens.lenskit.eval.algorithm.AlgorithmInstance: Query whether this algorithmInfo is to operate on in-memory data.
getPreload() - Method in class org.grouplens.lenskit.eval.algorithm.AlgorithmInstanceBuilder: Get whether this algorithmInfo will require ratings to be pre-loaded.
getPreload() - Method in class org.grouplens.lenskit.eval.algorithm.AlgorithmInstanceBuilderDelegate
getPrimaryScorer() - Method in class org.grouplens.lenskit.baseline.FallbackItemScorer: Get the primary scorer from this item scorer.
getProject() - Method in class org.grouplens.lenskit.eval.AbstractTask
getProject() - Method in class org.grouplens.lenskit.eval.algorithm.AlgorithmInstanceBuilder: Get the project of this algorithmInfo
getProject() - Method in class org.grouplens.lenskit.eval.script.EvalScript: Get the eval project configured by this script.
getProperties() - Method in class org.grouplens.lenskit.cli.ScriptEnvironment: Get the properties defined by the command line.
getProperties() - Method in class org.grouplens.lenskit.eval.cli.EvalCLIOptions
getProperty(String) - Method in class org.grouplens.lenskit.eval.EvalProject: Get a property value.
getQueryDAO() - Method in class org.grouplens.lenskit.eval.data.traintest.GenericTTDataSet
getQueryDAO() - Method in interface org.grouplens.lenskit.eval.data.traintest.TTDataSet: Get the query data.
getQueryData() - Method in class org.grouplens.lenskit.eval.data.traintest.GenericTTDataSet
getQueryData() - Method in interface org.grouplens.lenskit.eval.data.traintest.TTDataSet: Get the query data.
getQueryId() - Method in class org.grouplens.lenskit.data.sql.QueryKey
getQueryType() - Method in class org.grouplens.lenskit.data.sql.QueryKey
getRandom() - Method in class org.grouplens.lenskit.eval.EvalProject: Get the project's random number generator.
getRating() - Method in class org.grouplens.lenskit.data.event.RatingBuilder: Get the rating.
getRatingColumn() - Method in class org.grouplens.lenskit.data.sql.BasicSQLStatementFactory: Get the name of the rating column in the rating table.
getRatingColumn() - Method in class org.grouplens.lenskit.data.sql.JDBCRatingDAOBuilder
getRatingCount() - Method in class org.grouplens.lenskit.data.dao.packed.BinaryRatingPacker
getRatingPredictor() - Method in class org.grouplens.lenskit.core.LenskitRecommender
getRatingPredictor() - Method in interface org.grouplens.lenskit.Recommender: Get the recommender's rating scorer.
getRatings() - Method in class org.grouplens.lenskit.data.snapshot.PackedPreferenceSnapshot
getRatings() - Method in interface org.grouplens.lenskit.data.snapshot.PreferenceSnapshot: Get the collection of ratings in the snapshot.
getRawCommand() - Method in class org.grouplens.lenskit.eval.traintest.SimpleEvaluator: Provides raw unrestricted access for the command.
getRawSymbol() - Method in class org.grouplens.lenskit.symbols.SymbolValue: Get the raw Symbol from the symbol value.
getRawSymbol() - Method in class org.grouplens.lenskit.symbols.TypedSymbol: Get the symbol.
getRecipRank() - Method in class org.grouplens.lenskit.eval.metrics.topn.MRRTopNMetric.UserResult
getRecommendations(int, ItemSelector, ItemSelector) - Method in class org.grouplens.lenskit.eval.traintest.LenskitTestUser
getRecommendations() - Method in class org.grouplens.lenskit.eval.traintest.MockTestUser.Builder
getRecommendations(int, ItemSelector, ItemSelector) - Method in class org.grouplens.lenskit.eval.traintest.MockTestUser
getRecommendations(int, ItemSelector, ItemSelector) - Method in interface org.grouplens.lenskit.eval.traintest.TestUser: Get the user's recommendations.
getRecommender() - Method in class org.grouplens.lenskit.eval.traintest.LenskitTestUser
getRecommender() - Method in class org.grouplens.lenskit.eval.traintest.MockTestUser.Builder
getRecommender() - Method in class org.grouplens.lenskit.eval.traintest.MockTestUser
getRecommender() - Method in interface org.grouplens.lenskit.eval.traintest.TestUser: Get the recommender
getRequiredFields() - Method in interface org.grouplens.lenskit.data.text.EventTypeDefinition: Get the set of required fields for this event type.
getRequiredFields() - Method in class org.grouplens.lenskit.data.text.LikeBatchEventType
getRequiredFields() - Method in class org.grouplens.lenskit.data.text.LikeEventType
getRequiredFields() - Method in class org.grouplens.lenskit.data.text.RatingEventType
getResults(X) - Method in class org.grouplens.lenskit.eval.metrics.AbstractMetric
getResults(X) - Method in interface org.grouplens.lenskit.eval.metrics.Metric: Get the aggregate results from an accumulator.
getResults(List<Object>) - Method in class org.grouplens.lenskit.eval.traintest.FunctionModelMetric
getResults(Void) - Method in class org.grouplens.lenskit.eval.traintest.FunctionMultiModelMetric
getResultType() - Method in class org.grouplens.lenskit.eval.metrics.ResultConverter
getRevisions() - Static method in class org.grouplens.lenskit.core.LenskitInfo: Get the set of revisions LensKit is built from.
getRMSE() - Method in class org.grouplens.lenskit.mf.funksvd.FunkSVDUpdater: Get the RMSE of all updates done since the last reset.
getRoots() - Method in class org.grouplens.lenskit.core.LenskitConfiguration
getRowCount() - Method in class org.grouplens.lenskit.cursors.AbstractCursor
getRowCount() - Method in interface org.grouplens.lenskit.cursors.Cursor: Get an upper bound on the number of rows available from the cursor.
getSampleSize() - Method in class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask
getScore() - Method in interface org.grouplens.lenskit.scored.ScoredId: Retrieve the score of this ScoredId.
getScoreableItems(Collection<Long>) - Method in interface org.grouplens.lenskit.knn.item.ItemItemModelBackedGlobalScorer: Get the set of scoreable items for a basket of items.
getScorer() - Method in class org.grouplens.lenskit.basic.SimpleRatingPredictor: Get the backing scorer.
getScorer() - Method in class org.grouplens.lenskit.basic.TopNItemRecommender
getScript() - Method in class org.grouplens.lenskit.eval.EvalConfig: Get the script for this evaluation.
getScriptDir() - Method in class org.grouplens.lenskit.eval.EvalConfig: Get the data directory for this evaluation.
getScriptFile() - Method in class org.grouplens.lenskit.eval.cli.EvalCLIOptions
getShareableNodes(DAGNode<Component, Dependency>) - Static method in class org.grouplens.lenskit.inject.GraphtUtils: Find the set of shareable nodes (objects that will be replaced with instance satisfactions in the final graph).
getSingularValue() - Method in class org.grouplens.lenskit.mf.funksvd.FeatureInfo.Builder
getSingularValue() - Method in class org.grouplens.lenskit.mf.funksvd.FeatureInfo: Get the singular value of this feature.
getSource() - Method in class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask: Get the data source backing this crossfold manager.
getSource() - Method in class org.grouplens.lenskit.eval.data.subsample.SubsampleTask: Get the data source backing this subsample manager.
getSourceFile() - Method in class org.grouplens.lenskit.data.dao.SimpleFileRatingDAO: Deprecated.
getStagingFile() - Method in class org.grouplens.lenskit.util.io.StagedWrite: Get the working file for this staging file.
getStatementFactory() - Method in class org.grouplens.lenskit.data.sql.JDBCRatingDAOBuilder: Get the statement factory the DAO will use.
getStoppingCondition() - Method in class org.grouplens.lenskit.mf.funksvd.FunkSVDUpdateRule
getSuffix() - Method in class org.grouplens.lenskit.eval.metrics.AbstractMetric: A suffix to be applied to column names.
getSuffix() - Method in class org.grouplens.lenskit.eval.metrics.topn.IndependentRecallTopNMetric
getSuffix() - Method in class org.grouplens.lenskit.eval.metrics.topn.MAPTopNMetric
getSuffix() - Method in class org.grouplens.lenskit.eval.metrics.topn.MRRTopNMetric
getSuffix() - Method in class org.grouplens.lenskit.eval.metrics.topn.NDCGTopNMetric
getSuffix() - Method in class org.grouplens.lenskit.eval.metrics.topn.PrecisionRecallTopNMetric
getSuffix() - Method in class org.grouplens.lenskit.eval.metrics.topn.TopNEntropyMetric
getSuffix() - Method in class org.grouplens.lenskit.eval.metrics.topn.TopNLengthMetric
getSuffix() - Method in class org.grouplens.lenskit.eval.metrics.topn.TopNMetricBuilder: Get the suffix (or null if no suffix is set) to be applied to each column label.
getSuffix() - Method in class org.grouplens.lenskit.eval.metrics.topn.TopNPopularityMetric
getSupportedSourceVersion() - Method in class org.grouplens.lenskit.core.LenskitAnnotationProcessor
getSymbol() - Method in class org.grouplens.lenskit.symbols.DoubleSymbolValue
getSymbol() - Method in class org.grouplens.lenskit.symbols.SymbolValue
getTableName() - Method in class org.grouplens.lenskit.data.sql.BasicSQLStatementFactory: Get the name of the rating table.
getTableName() - Method in class org.grouplens.lenskit.data.sql.JDBCRatingDAOBuilder
getTargetFile() - Method in class org.grouplens.lenskit.util.io.StagedWrite: Get the target file for this staging file.
getTargets() - Method in class org.grouplens.lenskit.cli.Eval
getTaskGraphFile() - Method in class org.grouplens.lenskit.eval.traintest.TrainTestEvalTask
getTaskStatusFile() - Method in class org.grouplens.lenskit.eval.traintest.TrainTestEvalTask
getTestDAO() - Method in class org.grouplens.lenskit.eval.data.traintest.GenericTTDataSet
getTestDAO() - Method in interface org.grouplens.lenskit.eval.data.traintest.TTDataSet: Get the test data.
getTestData() - Method in class org.grouplens.lenskit.eval.data.traintest.GenericTTDataSet
getTestData() - Method in interface org.grouplens.lenskit.eval.data.traintest.TTDataSet: Get the training data.
getTestHistory() - Method in class org.grouplens.lenskit.eval.traintest.LenskitTestUser
getTestHistory() - Method in class org.grouplens.lenskit.eval.traintest.MockTestUser
getTestHistory() - Method in interface org.grouplens.lenskit.eval.traintest.TestUser: Return this user's test history.
getTestPattern() - Method in class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask
getTestRatings() - Method in class org.grouplens.lenskit.eval.traintest.AbstractTestUser: Get the test ratings from TestUser.getTestHistory().
getTestRatings() - Method in interface org.grouplens.lenskit.eval.traintest.TestUser: Get the user's test ratings.
getThreadCount() - Method in class org.grouplens.lenskit.cli.Eval
getThreadCount() - Method in class org.grouplens.lenskit.eval.EvalConfig
getThreshold() - Method in class org.grouplens.lenskit.iterative.ErrorThresholdStoppingCondition: Get the stopper's threshold.
getThreshold() - Method in class org.grouplens.lenskit.iterative.ThresholdStoppingCondition: Get the stopper's threshold.
getTimestamp() - Method in interface org.grouplens.lenskit.data.event.Event: Get the event timestamp.
getTimestamp() - Method in class org.grouplens.lenskit.data.event.MutableRating
getTimestamp() - Method in class org.grouplens.lenskit.data.event.RatingBuilder: Get the timestamp.
getTimestampColumn() - Method in class org.grouplens.lenskit.data.sql.BasicSQLStatementFactory: Get the name of the timestamp column in the rating table (or null if there is no timestamp column).
getTimestampColumn() - Method in class org.grouplens.lenskit.data.sql.JDBCRatingDAOBuilder
getTotal() - Method in class org.grouplens.lenskit.util.statistics.MeanAccumulator: Get the total of the values accumulated so far.
getTrainHistory() - Method in class org.grouplens.lenskit.eval.traintest.LenskitTestUser
getTrainHistory() - Method in class org.grouplens.lenskit.eval.traintest.MockTestUser
getTrainHistory() - Method in interface org.grouplens.lenskit.eval.traintest.TestUser: Return this user's training history.
getTrainingDAO() - Method in class org.grouplens.lenskit.eval.data.traintest.GenericTTDataSet
getTrainingDAO() - Method in interface org.grouplens.lenskit.eval.data.traintest.TTDataSet: Get the training data.
getTrainingData() - Method in class org.grouplens.lenskit.eval.data.traintest.GenericTTDataSet
getTrainingData() - Method in interface org.grouplens.lenskit.eval.data.traintest.TTDataSet: Get the training data.
getTrainingErrors() - Method in class org.grouplens.lenskit.mf.funksvd.FeatureInfo: Get the training error for each iteration.
getTrainingLoopController() - Method in class org.grouplens.lenskit.mf.funksvd.FunkSVDUpdateRule
getTrainingRegularization() - Method in class org.grouplens.lenskit.mf.funksvd.FunkSVDUpdateRule
getTrainPattern() - Method in class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask
getTTFiles() - Method in class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask: Get the train-test splits as data sets.
getType() - Method in class org.grouplens.lenskit.inject.PlaceholderSatisfaction
getType() - Method in class org.grouplens.lenskit.symbols.TypedSymbol: Get the type for a typed symbol.
getTypedResults(X) - Method in class org.grouplens.lenskit.eval.metrics.AbstractMetric: Get the typed results from an accumulator.
getTypedResults(CoveragePredictMetric.Context) - Method in class org.grouplens.lenskit.eval.metrics.predict.CoveragePredictMetric
getTypedResults(EntropyPredictMetric.Context) - Method in class org.grouplens.lenskit.eval.metrics.predict.EntropyPredictMetric
getTypedResults(MeanAccumulator) - Method in class org.grouplens.lenskit.eval.metrics.predict.HLUtilityPredictMetric
getTypedResults(MAEPredictMetric.Context) - Method in class org.grouplens.lenskit.eval.metrics.predict.MAEPredictMetric
getTypedResults(MeanAccumulator) - Method in class org.grouplens.lenskit.eval.metrics.predict.NDCGPredictMetric
getTypedResults(RMSEPredictMetric.Context) - Method in class org.grouplens.lenskit.eval.metrics.predict.RMSEPredictMetric
getTypedResults(IndependentRecallTopNMetric.Context) - Method in class org.grouplens.lenskit.eval.metrics.topn.IndependentRecallTopNMetric
getTypedResults(MAPTopNMetric.Context) - Method in class org.grouplens.lenskit.eval.metrics.topn.MAPTopNMetric
getTypedResults(MRRTopNMetric.Context) - Method in class org.grouplens.lenskit.eval.metrics.topn.MRRTopNMetric
getTypedResults(MeanAccumulator) - Method in class org.grouplens.lenskit.eval.metrics.topn.NDCGTopNMetric
getTypedResults(PrecisionRecallTopNMetric.Context) - Method in class org.grouplens.lenskit.eval.metrics.topn.PrecisionRecallTopNMetric
getTypedResults(TopNEntropyMetric.Context) - Method in class org.grouplens.lenskit.eval.metrics.topn.TopNEntropyMetric
getTypedResults(MeanAccumulator) - Method in class org.grouplens.lenskit.eval.metrics.topn.TopNLengthMetric
getTypedResults(TopNPopularityMetric.Context) - Method in class org.grouplens.lenskit.eval.metrics.topn.TopNPopularityMetric
getTypedResults(OutputPredictMetric.Context) - Method in class org.grouplens.lenskit.eval.traintest.OutputPredictMetric
getTypedResults(OutputTopNMetric.Context) - Method in class org.grouplens.lenskit.eval.traintest.OutputTopNMetric
getUnboxedChannels() - Method in class org.grouplens.lenskit.scored.AbstractScoredId
getUnboxedChannels() - Method in interface org.grouplens.lenskit.scored.ScoredId: Get the unboxed channels associated with a scored ID.
getUnboxedChannelSymbols() - Method in class org.grouplens.lenskit.scored.AbstractScoredId
getUnboxedChannelSymbols() - Method in interface org.grouplens.lenskit.scored.ScoredId: Determine the symbols associated with all unboxed double side channels of a ScoredId.
getUnboxedChannelValue(Symbol) - Method in interface org.grouplens.lenskit.scored.ScoredId: Get the unboxed value for a channel.
getUpdateCount() - Method in class org.grouplens.lenskit.mf.funksvd.FunkSVDUpdater: Get the number of updates this updater has prepared since the last reset.
getUpdateRule() - Method in class org.grouplens.lenskit.mf.funksvd.FunkSVDItemScorer
getUserAverage() - Method in class org.grouplens.lenskit.mf.funksvd.FeatureInfo.Builder
getUserAverage() - Method in class org.grouplens.lenskit.mf.funksvd.FeatureInfo: Get the user average value of this feature.
getUserColumn() - Method in class org.grouplens.lenskit.data.sql.BasicSQLStatementFactory: Get the name of the user ID column in the rating table.
getUserColumn() - Method in class org.grouplens.lenskit.data.sql.JDBCRatingDAOBuilder
getUserColumnLabels() - Method in class org.grouplens.lenskit.eval.metrics.AbstractMetric
getUserColumnLabels() - Method in interface org.grouplens.lenskit.eval.metrics.Metric: Get labels for the per-user columns output by this evaluator.
getUserColumnLabels() - Method in class org.grouplens.lenskit.eval.metrics.topn.TopNEntropyMetric
getUserColumnLabels() - Method in class org.grouplens.lenskit.eval.traintest.FunctionModelMetric
getUserColumnLabels() - Method in class org.grouplens.lenskit.eval.traintest.FunctionMultiModelMetric.Factory
getUserColumnLabels() - Method in class org.grouplens.lenskit.eval.traintest.FunctionMultiModelMetric
getUserColumnLabels() - Method in class org.grouplens.lenskit.eval.traintest.MetricFactory
getUserColumnLabels() - Method in class org.grouplens.lenskit.eval.traintest.OutputPredictMetric.Factory
getUserColumnLabels() - Method in class org.grouplens.lenskit.eval.traintest.OutputTopNMetric.Factory
getUserCount() - Method in class org.grouplens.lenskit.mf.svd.MFModel: The number of users.
getUserDAO() - Method in class org.grouplens.lenskit.data.source.AbstractDataSource: Default user DAO implementation.
getUserDAO() - Method in interface org.grouplens.lenskit.data.source.DataSource: Get an user DAO for this data source.
getUserDAO() - Method in class org.grouplens.lenskit.data.source.PackedDataSource
getUserEventDAO() - Method in class org.grouplens.lenskit.data.source.AbstractDataSource: Default user-event DAO implementation.
getUserEventDAO() - Method in interface org.grouplens.lenskit.data.source.DataSource: Get a user-event DAO for this data source.
getUserEventDAO() - Method in class org.grouplens.lenskit.data.source.PackedDataSource
getUserFeature(long, int) - Method in class org.grouplens.lenskit.mf.svd.MFModel: Get a particular feature value for an user.
getUserFeatureUpdate() - Method in class org.grouplens.lenskit.mf.funksvd.FunkSVDUpdater: Get the update for the user-feature value.
getUserId() - Method in interface org.grouplens.lenskit.data.event.Event: Get the ID of the user responsible for the event.
getUserId() - Method in class org.grouplens.lenskit.data.event.MutableRating
getUserId() - Method in class org.grouplens.lenskit.data.event.RatingBuilder: Get the user ID.
getUserId() - Method in class org.grouplens.lenskit.data.history.BasicUserHistory
getUserId() - Method in interface org.grouplens.lenskit.data.history.UserHistory: Retrieve the user ID.
getUserId() - Method in interface org.grouplens.lenskit.data.pref.Preference: Get the ID of the user whose preference this is.
getUserId() - Method in class org.grouplens.lenskit.eval.traintest.AbstractTestUser: Get the user ID from TestUser.getTestHistory().
getUserId() - Method in interface org.grouplens.lenskit.eval.traintest.TestUser: Get the ID of this user.
getUserIds() - Method in class org.grouplens.lenskit.data.dao.packed.BinaryRatingDAO
getUserIds() - Method in class org.grouplens.lenskit.data.dao.packed.RatingSnapshotDAO
getUserIds() - Method in class org.grouplens.lenskit.data.dao.PrefetchingUserDAO
getUserIds() - Method in interface org.grouplens.lenskit.data.dao.UserDAO: Get all known user IDs.
getUserIds() - Method in class org.grouplens.lenskit.data.dao.UserListUserDAO
getUserIds() - Method in class org.grouplens.lenskit.data.snapshot.PackedPreferenceSnapshot
getUserIds() - Method in interface org.grouplens.lenskit.data.snapshot.PreferenceSnapshot: Get the set of user IDs in the snapshot.
getUserIds() - Method in class org.grouplens.lenskit.data.sql.JDBCRatingDAO
getUserIndex() - Method in interface org.grouplens.lenskit.data.pref.IndexedPreference: Get the user index.
getUserIndex() - Method in class org.grouplens.lenskit.mf.svd.MFModel: The user index mapping.
getUserItems(long) - Method in class org.grouplens.lenskit.knn.item.model.ItemItemBuildContext: Get the items rated by a particular user.
getUserMatrix() - Method in class org.grouplens.lenskit.mf.svd.MFModel: Get the user matrix.
getUserPreferenceVector(long) - Method in class org.grouplens.lenskit.mf.svd.BiasedMFItemScorer: Get a user's preference vector.
getUserRatings(long) - Method in class org.grouplens.lenskit.data.snapshot.PackedPreferenceSnapshot
getUserRatings(long) - Method in interface org.grouplens.lenskit.data.snapshot.PreferenceSnapshot: Get the ratings for a particular user.
getUsersForItem(long) - Method in interface org.grouplens.lenskit.data.dao.ItemEventDAO: Get the users who have interacted with an item.
getUsersForItem(long) - Method in class org.grouplens.lenskit.data.dao.packed.BinaryRatingDAO
getUsersForItem(long) - Method in class org.grouplens.lenskit.data.dao.packed.RatingSnapshotDAO
getUsersForItem(long) - Method in class org.grouplens.lenskit.data.dao.PrefetchingItemEventDAO
getUsersForItem(long) - Method in class org.grouplens.lenskit.data.sql.JDBCRatingDAO
getUserVector(long) - Method in class org.grouplens.lenskit.knn.user.UserSnapshot
getUserVector(long) - Method in class org.grouplens.lenskit.mf.svd.MFModel
getV1Entropy() - Method in class org.grouplens.lenskit.util.statistics.MutualInformationAccumulator: Get the entropy of the first variable.
getV2Entropy() - Method in class org.grouplens.lenskit.util.statistics.MutualInformationAccumulator: Get the entropy of the second variable.
getValue() - Method in class org.grouplens.lenskit.data.event.MutableRating
getValue() - Method in interface org.grouplens.lenskit.data.event.Rating: Get the value rating.
getValue() - Method in interface org.grouplens.lenskit.data.pref.Preference: Get the preference value.
getValue() - Method in class org.grouplens.lenskit.symbols.DoubleSymbolValue
getValue() - Method in class org.grouplens.lenskit.symbols.SymbolValue
getValue() - Method in class org.grouplens.lenskit.transform.threshold.RealThreshold: Get the threshold value.
getValue() - Method in class org.grouplens.lenskit.vectors.VectorEntry: Get the value at this entry.
getValues() - Method in interface org.grouplens.lenskit.transform.quantize.Quantizer: Get the possible values into which this quantizer will map input values.
getValues() - Method in class org.grouplens.lenskit.transform.quantize.ValueArrayQuantizer
getVector() - Method in class org.grouplens.lenskit.vectors.VectorEntry: Get the sparse vector associated with this entry.
getVectorNormalizer() - Method in class org.grouplens.lenskit.transform.normalize.DefaultUserVectorNormalizer: Get the delegate vector normalizer.
getWorkDir() - Method in class org.grouplens.lenskit.eval.traintest.ExternalAlgorithm
getWriteFile() - Method in class org.grouplens.lenskit.eval.TrainModelTask
getWriteTimestamps() - Method in class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask: Query whether timestamps will be written.
glob(String) - Method in class org.grouplens.lenskit.eval.script.EvalScript: Performs a file search based upon the parameter glob pattern.
glob(String, String) - Method in class org.grouplens.lenskit.eval.script.EvalScript: Performs a file search based upon the parameter glob pattern.
GlobalItemRecommender - Interface in org.grouplens.lenskit: The interface for recommendation based on the items only.
GlobalItemScorer - Interface in org.grouplens.lenskit: Score items for given item(s).
globalMAE - Variable in class org.grouplens.lenskit.eval.metrics.predict.MAEPredictMetric.AggregateResult
globalMean() - Method in class org.grouplens.lenskit.util.IdMeanAccumulator: Get the global mean.
GlobalMeanRatingItemScorer - Class in org.grouplens.lenskit.baseline: Rating scorer that predicts the global mean rating for all items.
GlobalMeanRatingItemScorer(double) - Constructor for class org.grouplens.lenskit.baseline.GlobalMeanRatingItemScorer: Construct a new global mean scorer where it is assumed that the given value is the global mean.
GlobalMeanRatingItemScorer.Builder - Class in org.grouplens.lenskit.baseline: A default builder used to create GlobalMeanPredictors.
globalRecommend(Set<Long>) - Method in class org.grouplens.lenskit.basic.AbstractGlobalItemRecommender: Recommend all possible items for a basket of items using the default exclude set.
globalRecommend(Set<Long>, int) - Method in class org.grouplens.lenskit.basic.AbstractGlobalItemRecommender: Recommend up to n items for a basket of items using the default exclude set.
globalRecommend(Set<Long>, Set<Long>) - Method in class org.grouplens.lenskit.basic.AbstractGlobalItemRecommender: Recommend all possible items for a basket of items from a set of candidates using the default exclude set.
globalRecommend(Set<Long>, int, Set<Long>, Set<Long>) - Method in class org.grouplens.lenskit.basic.AbstractGlobalItemRecommender: Produce a set of recommendations for the item.
globalRecommend(LongSet, int, LongSet, LongSet) - Method in class org.grouplens.lenskit.basic.AbstractGlobalItemRecommender: Implementation method for global item recommendation.
globalRecommend(LongSet, int, LongSet, LongSet) - Method in class org.grouplens.lenskit.basic.TopNGlobalItemRecommender: Implement the ID-based recommendation in terms of the scorer.
GlobalRecommend - Class in org.grouplens.lenskit.cli: Generate Top-N non-personalized recommendations.
GlobalRecommend(Namespace) - Constructor for class org.grouplens.lenskit.cli.GlobalRecommend
globalRecommend(Set<Long>) - Method in interface org.grouplens.lenskit.GlobalItemRecommender: Recommend all possible items for a basket of items using the default exclude set.
globalRecommend(Set<Long>, int) - Method in interface org.grouplens.lenskit.GlobalItemRecommender: Recommend up to n items for a basket of items using the default exclude set.
globalRecommend(Set<Long>, Set<Long>) - Method in interface org.grouplens.lenskit.GlobalItemRecommender: Recommend all possible items for a basket of items from a set of candidates using the default exclude set.
globalRecommend(Set<Long>, int, Set<Long>, Set<Long>) - Method in interface org.grouplens.lenskit.GlobalItemRecommender: Produce a set of recommendations for the item.
globalRMSE - Variable in class org.grouplens.lenskit.eval.metrics.predict.RMSEPredictMetric.AggregateResult
globalScore(Collection<Long>, long) - Method in class org.grouplens.lenskit.basic.AbstractGlobalItemScorer: Score a single item based on a collection of items(a shopping basket).
globalScore(Collection<Long>, Collection<Long>) - Method in class org.grouplens.lenskit.basic.AbstractGlobalItemScorer
globalScore(Collection<Long>, long) - Method in interface org.grouplens.lenskit.GlobalItemScorer: Score a single item based on a collection of items(a shopping basket).
globalScore(Collection<Long>, Collection<Long>) - Method in interface org.grouplens.lenskit.GlobalItemScorer: Score a collection of items based on a collection of items(a shopping basket).
globalScore(Collection<Long>, MutableSparseVector) - Method in interface org.grouplens.lenskit.GlobalItemScorer: Score items in a vector based on a collection of items (a shopping basket).
globalScore(Collection<Long>, MutableSparseVector) - Method in class org.grouplens.lenskit.knn.item.ItemItemGlobalScorer
goodMAP - Variable in class org.grouplens.lenskit.eval.metrics.topn.MAPTopNMetric.AggregateResult: The MAP over those users for whom a good item could be recommended.
goodMRR - Variable in class org.grouplens.lenskit.eval.metrics.topn.MRRTopNMetric.AggregateResult: The MRR over those users for whom a good item could be recommended.
Graph - Class in org.grouplens.lenskit.cli: Command that draws a diagram of a recommender configuration.
Graph(Namespace) - Constructor for class org.grouplens.lenskit.cli.Graph
GraphDumper - Class in org.grouplens.lenskit.eval.graph: Class to manage traversing nodes.
GraphtUtils - Class in org.grouplens.lenskit.inject: Helper utilities for Grapht integration.
GroovyActionTask<K> - Class in org.grouplens.lenskit.eval.script: A basic Eval task that executes a Groovy action.
GroovyActionTask(Closure<K>) - Constructor for class org.grouplens.lenskit.eval.script.GroovyActionTask
GroovyUtils - Class in org.grouplens.lenskit.config: Support utilities for LensKit's use of Groovy.
GroovyUtils() - Constructor for class org.grouplens.lenskit.config.GroovyUtils
GroupingCursor<C,E> - Class in org.grouplens.lenskit.cursors: Base class for cursors that group the output of another cursor.
GroupingCursor(Cursor<? extends E>) - Constructor for class org.grouplens.lenskit.cursors.GroupingCursor

H

handleItem(E) - Method in class org.grouplens.lenskit.cursors.GroupingCursor: Handle an item from the base cursor.
hasChannel(TypedSymbol<?>) - Method in class org.grouplens.lenskit.scored.AbstractScoredId: Determine if a ScoredId has a specific typed channel.
hasChannel(TypedSymbol<?>) - Method in interface org.grouplens.lenskit.scored.ScoredId: Determine if a ScoredId has a specific typed channel.
hasChannel(TypedSymbol<?>) - Method in class org.grouplens.lenskit.vectors.ImmutableSparseVector
hasChannel(TypedSymbol<?>) - Method in class org.grouplens.lenskit.vectors.MutableSparseVector
hasChannel(TypedSymbol<?>) - Method in class org.grouplens.lenskit.vectors.SparseVector: Return whether this sparse vector has a channel stored under a particular typed symbol.
hasChannelVector(Symbol) - Method in class org.grouplens.lenskit.vectors.ImmutableSparseVector
hasChannelVector(Symbol) - Method in class org.grouplens.lenskit.vectors.MutableSparseVector
hasChannelVector(Symbol) - Method in class org.grouplens.lenskit.vectors.SparseVector: Return whether this sparse vector has a channel vector stored under a particular symbol.
hashCode() - Method in class org.grouplens.lenskit.data.event.MutableRating
hashCode() - Method in class org.grouplens.lenskit.data.history.BasicItemEventList
hashCode() - Method in class org.grouplens.lenskit.data.history.EventCountUserHistorySummarizer
hashCode() - Method in class org.grouplens.lenskit.data.history.LikeCountUserHistorySummarizer
hashCode() - Method in class org.grouplens.lenskit.data.history.RatingVectorUserHistorySummarizer
hashCode() - Method in class org.grouplens.lenskit.data.pref.AbstractPreference
hashCode() - Method in class org.grouplens.lenskit.data.pref.PreferenceDomain
hashCode() - Method in class org.grouplens.lenskit.data.sql.QueryKey
hashCode() - Method in class org.grouplens.lenskit.eval.ExecutionInfo
hashCode() - Method in class org.grouplens.lenskit.inject.PlaceholderSatisfaction
hashCode() - Method in class org.grouplens.lenskit.mf.svd.DomainClampingKernel
hashCode() - Method in class org.grouplens.lenskit.mf.svd.DotProductKernel
hashCode() - Method in class org.grouplens.lenskit.scored.AbstractScoredId
hashCode() - Method in class org.grouplens.lenskit.symbols.SymbolValue
hashCode() - Method in class org.grouplens.lenskit.vectors.SparseVector
hashCode() - Method in class org.grouplens.lenskit.vectors.Vec: Deprecated.
HashDescriptionWriter - Class in org.grouplens.lenskit.util.io: Description writer that computes a hash of the description on the fly.
hashPreference(Preference) - Static method in class org.grouplens.lenskit.data.pref.Preferences: Compute the hash code of a preference.
hashRating(Rating) - Static method in class org.grouplens.lenskit.data.event.Ratings: Compute the hash code of a rating.
hashWriter(HashFunction) - Static method in class org.grouplens.lenskit.util.io.Descriptions: Create a description writer for a particular hash function.
hasInstance() - Method in class org.grouplens.lenskit.inject.PlaceholderSatisfaction
hasNext() - Method in class org.grouplens.lenskit.collections.BitSetIterator
hasNext() - Method in class org.grouplens.lenskit.cursors.AbstractPollingCursor
hasNext() - Method in interface org.grouplens.lenskit.cursors.Cursor: Query whether the cursor has any more items.
hasNext() - Method in class org.grouplens.lenskit.cursors.CursorIterator
hasNext() - Method in class org.grouplens.lenskit.cursors.GroupingCursor
hasNext() - Method in class org.grouplens.lenskit.util.DelimitedTextCursor
hasPrecision() - Method in class org.grouplens.lenskit.data.pref.PreferenceDomain: Query whether this preference domain has a precision.
hasPrevious() - Method in class org.grouplens.lenskit.collections.BitSetIterator
hasRating() - Method in class org.grouplens.lenskit.data.event.RatingBuilder: Query whether this builder has a rating.
hasSymbol(TypedSymbol<?>) - Static method in class org.grouplens.lenskit.symbols.SymbolValue
hasUnboxedChannel(Symbol) - Method in class org.grouplens.lenskit.scored.AbstractScoredId: Determine if a ScoredId has a specific channel.
hasUnboxedChannel(Symbol) - Method in interface org.grouplens.lenskit.scored.ScoredId: Determine if a ScoredId has a specific channel.
hasValue() - Method in class org.grouplens.lenskit.data.event.MutableRating
hasValue() - Method in interface org.grouplens.lenskit.data.event.Rating: Query whether this rating has a value.
helper - Variable in class org.grouplens.lenskit.eval.script.DefaultConfigDelegate
History - Class in org.grouplens.lenskit.data.history: Utility methods for user histories.
HLUtilityPredictMetric - Class in org.grouplens.lenskit.eval.metrics.predict
HLUtilityPredictMetric(double) - Constructor for class org.grouplens.lenskit.eval.metrics.predict.HLUtilityPredictMetric
HLUtilityPredictMetric() - Constructor for class org.grouplens.lenskit.eval.metrics.predict.HLUtilityPredictMetric
HLUtilityPredictMetric.Result - Class in org.grouplens.lenskit.eval.metrics.predict
Holdout - Class in org.grouplens.lenskit.eval.data.crossfold: A train-test holdout method.
Holdout(Order<Rating>, PartitionAlgorithm<Rating>) - Constructor for class org.grouplens.lenskit.eval.data.crossfold.Holdout
HoldoutNPartition<E> - Class in org.grouplens.lenskit.eval.data.crossfold: Partition the last part of list by holding out a fixed number of elements.
HoldoutNPartition(int) - Constructor for class org.grouplens.lenskit.eval.data.crossfold.HoldoutNPartition: Create a count partitioner.

I

IdentityClampingFunction - Class in org.grouplens.lenskit.transform.clamp: Identity clamping function.
IdentityClampingFunction() - Constructor for class org.grouplens.lenskit.transform.clamp.IdentityClampingFunction
IdentityVectorNormalizer - Class in org.grouplens.lenskit.transform.normalize: Identity normalization (makes no change).
IdentityVectorNormalizer() - Constructor for class org.grouplens.lenskit.transform.normalize.IdentityVectorNormalizer
idFunction() - Static method in class org.grouplens.lenskit.scored.ScoredIds: A Function that extracts the ID from a scored ID.
IdIndexMapping - Class in org.grouplens.lenskit.indexes: Bidirectional mapping between long IDs and consecutive, 0-based integer indexes.
IdIndexMapping() - Constructor for class org.grouplens.lenskit.indexes.IdIndexMapping
IdIndexMappingBuilder - Class in org.grouplens.lenskit.indexes: Builder for read-only indexes.
IdIndexMappingBuilder() - Constructor for class org.grouplens.lenskit.indexes.IdIndexMappingBuilder
IdMeanAccumulator - Class in org.grouplens.lenskit.util: An accumulator for means associated with IDs.
IdMeanAccumulator() - Constructor for class org.grouplens.lenskit.util.IdMeanAccumulator
idMeanOffsets(double) - Method in class org.grouplens.lenskit.util.IdMeanAccumulator: Compute mean offsets for each item.
idMeanOffsets() - Method in class org.grouplens.lenskit.util.IdMeanAccumulator: Compute offsets from the global mean for each ID.
idMeans() - Method in class org.grouplens.lenskit.util.IdMeanAccumulator: Get the per-ID means.
idOrder() - Static method in class org.grouplens.lenskit.scored.ScoredIds: An ordering (comparator) that compares IDs by score.
ignored() - Static method in class org.grouplens.lenskit.data.text.Fields: A field that is ignored.
ignored(boolean) - Static method in class org.grouplens.lenskit.data.text.Fields: A field that is ignored and may be optional.
ignoreUnknownChannels() - Method in class org.grouplens.lenskit.scored.ScoredIdListBuilder: Set the builder to ignore unknown channels on IDs passed to ScoredIdListBuilder.add(ScoredId).
immutable() - Method in class org.grouplens.lenskit.vectors.ImmutableSparseVector
immutable() - Method in class org.grouplens.lenskit.vectors.ImmutableVec: Deprecated.
immutable() - Method in class org.grouplens.lenskit.vectors.MutableSparseVector
immutable() - Method in class org.grouplens.lenskit.vectors.SparseVector: Return an immutable snapshot of this sparse vector.
immutable() - Method in class org.grouplens.lenskit.vectors.Vec: Deprecated.

Get an immutable vector with this vector's contents.
immutableCopy() - Method in class org.grouplens.lenskit.indexes.MutableIdIndexMapping: Make an immutable copy of this index mapping.
ImmutableSparseVector - Class in org.grouplens.lenskit.vectors: Immutable sparse vectors.
ImmutableVec - Class in org.grouplens.lenskit.vectors: Deprecated.
Use vectorz instead.
in(Class<?>) - Method in interface org.grouplens.lenskit.core.LenskitConfigContext: Deprecated.
in(Class<? extends Annotation>, Class<?>) - Method in interface org.grouplens.lenskit.core.LenskitConfigContext: Deprecated.
in(Annotation, Class<?>) - Method in interface org.grouplens.lenskit.core.LenskitConfigContext: Deprecated.
in(Class<?>) - Method in class org.grouplens.lenskit.inject.AbstractConfigContext: Deprecated.
in(Class<? extends Annotation>, Class<?>) - Method in class org.grouplens.lenskit.inject.AbstractConfigContext: Deprecated.
in(Annotation, Class<?>) - Method in class org.grouplens.lenskit.inject.AbstractConfigContext: Deprecated.
inactiveCopy() - Method in class org.grouplens.lenskit.collections.LongKeyDomain: Return a copy of this key set that is entirely inactive.
include(Closure<?>) - Method in class org.grouplens.lenskit.config.BindingDSL: Use a closure as additional configuration
include(File) - Method in class org.grouplens.lenskit.config.BindingDSL: Include another configuration file.
include(String) - Method in class org.grouplens.lenskit.config.BindingDSL: Include another configuration file.
include(Module) - Method in class org.grouplens.lenskit.config.BindingDSL: Include a module in this configuration.
include(File) - Method in class org.grouplens.lenskit.config.LenskitConfigDSL
includesRevision(String) - Static method in class org.grouplens.lenskit.core.LenskitInfo: Query whether this version of LensKit includes a particular revision.
IndependentRecallTopNMetric - Class in org.grouplens.lenskit.eval.metrics.topn: An alternate methodology from computing precision/recall scores.
IndependentRecallTopNMetric(String, String, ItemSelector, ItemSelector, int, ItemSelector) - Constructor for class org.grouplens.lenskit.eval.metrics.topn.IndependentRecallTopNMetric
IndependentRecallTopNMetric.Builder - Class in org.grouplens.lenskit.eval.metrics.topn
IndependentRecallTopNMetric.Context - Class in org.grouplens.lenskit.eval.metrics.topn
IndependentRecallTopNMetric.Result - Class in org.grouplens.lenskit.eval.metrics.topn
index(double) - Method in interface org.grouplens.lenskit.transform.quantize.Quantizer: Convert a value into a discrete, quantized value.
index(double) - Method in class org.grouplens.lenskit.transform.quantize.ValueArrayQuantizer
Index - Interface in org.grouplens.lenskit.util: Deprecated.
Use IdIndexMapping instead.
IndexedPreference - Interface in org.grouplens.lenskit.data.pref: A Preference that also provides 0-based indices for the user, item, and itself.
IndexedPreferenceBuilder - Class in org.grouplens.lenskit.data.pref: Build an indexed preference.
IndexedPreferenceBuilder() - Constructor for class org.grouplens.lenskit.data.pref.IndexedPreferenceBuilder
Indexer - Class in org.grouplens.lenskit.util: Deprecated.
Use MutableIdIndexMapping instead.
Indexer() - Constructor for class org.grouplens.lenskit.util.Indexer: Deprecated.

Construct a new empty indexer.
indexIsActive(int) - Method in class org.grouplens.lenskit.collections.LongKeyDomain: Query whether an index is active.
indexOf(Object) - Method in class org.grouplens.lenskit.data.history.BasicItemEventList
init(ProcessingEnvironment) - Method in class org.grouplens.lenskit.core.LenskitAnnotationProcessor
InitialFeatureValue - Annotation Type in org.grouplens.lenskit.mf.funksvd: The initial value for each feature.
initialValue - Variable in class org.grouplens.lenskit.mf.funksvd.FunkSVDModelBuilder
InputData - Class in org.grouplens.lenskit.cli: Helper class for managing input data.
InputData(Namespace) - Constructor for class org.grouplens.lenskit.cli.InputData
instantiate(DAGNode<Component, Dependency>) - Method in class org.grouplens.lenskit.inject.NodeInstantiator: Instantiate a particular node in the graph.
instantiate() - Static method in class org.grouplens.lenskit.inject.NodeProcessors: Create a node processor that will instantiate nodes.
instantiate(NodeInstantiator) - Static method in class org.grouplens.lenskit.inject.NodeProcessors: Create a node processor that will instantiate nodes.
instantiate() - Method in class org.grouplens.lenskit.inject.RecommenderInstantiator: Instantiate the recommender graph.
internId(long) - Method in class org.grouplens.lenskit.indexes.MutableIdIndexMapping: Get an index for an ID, generating a new one if necessary.
internId(long) - Method in class org.grouplens.lenskit.util.Indexer: Deprecated.

Get an index for an ID, generating a new one if necessary.
intersect(SparseVector, SparseVector) - Static method in class org.grouplens.lenskit.vectors.Vectors: Iterate over the intersection of two vectors - they keys they have in common.
interval(int, int) - Static method in class org.grouplens.lenskit.collections.CollectionUtils: Create an IntList that contains all numbers in a specified interval.
InvalidRowException - Exception in org.grouplens.lenskit.data.text: Exception thrown when an invalid row is encountered.
InvalidRowException() - Constructor for exception org.grouplens.lenskit.data.text.InvalidRowException
InvalidRowException(String) - Constructor for exception org.grouplens.lenskit.data.text.InvalidRowException
InvalidRowException(String, Throwable) - Constructor for exception org.grouplens.lenskit.data.text.InvalidRowException
InvalidRowException(Throwable) - Constructor for exception org.grouplens.lenskit.data.text.InvalidRowException
invert() - Method in class org.grouplens.lenskit.collections.LongKeyDomain: Invert the active status of all keys in the set.
invokeConfigurationMethod(Object, String, Object...) - Method in class org.grouplens.lenskit.eval.script.ConfigMethodInvoker
invokeMethod(Method, Object) - Static method in class org.grouplens.lenskit.util.Functional
isCancelled() - Method in class org.grouplens.lenskit.eval.EvalTarget
isCloseWhenClosed() - Method in class org.grouplens.lenskit.data.sql.JDBCRatingDAOBuilder
isCompatibleWith(LongKeyDomain) - Method in class org.grouplens.lenskit.collections.LongKeyDomain: Query whether this key set is compatible with another.
isCompletelySet() - Method in class org.grouplens.lenskit.collections.LongKeyDomain: Query whether this domain is completely set (has no unset keys).
isCompressed(File) - Static method in class org.grouplens.lenskit.util.io.LKFileUtils: Deprecated.
Use CompressionMode or commons-compress facilities instead.
isDone() - Method in class org.grouplens.lenskit.eval.EvalTarget
isEmpty() - Method in class org.grouplens.lenskit.collections.CompactableLongArrayList
isEmpty() - Method in class org.grouplens.lenskit.data.history.BasicItemEventList
isEmpty() - Method in interface org.grouplens.lenskit.util.ScoredItemAccumulator: Query whether the accumulator is empty.
isEmpty() - Method in class org.grouplens.lenskit.util.TopNScoredItemAccumulator
isEmpty() - Method in class org.grouplens.lenskit.util.UnlimitedScoredItemAccumulator
isEmpty() - Method in class org.grouplens.lenskit.vectors.SparseVector: Query whether this vector is empty.
isInstantiable() - Method in class org.grouplens.lenskit.core.LenskitRecommenderEngine: Query whether this engine is instantiable.
isOptional() - Method in interface org.grouplens.lenskit.data.text.Field: Query whether this field is optional.
isSet(VectorEntry) - Method in class org.grouplens.lenskit.vectors.SparseVector: Check whether an entry is set.
isSet() - Method in class org.grouplens.lenskit.vectors.VectorEntry: Query whether this entry is set.
isShareable(DAGNode<Component, Dependency>) - Static method in class org.grouplens.lenskit.inject.GraphtUtils: Determine if a node is a shareable component.
isSorted(long[], int, int) - Static method in class org.grouplens.lenskit.collections.MoreArrays: Check that the array is sorted.
isSparse() - Method in interface org.grouplens.lenskit.knn.item.ItemSimilarity: Query whether this similarity is sparse.
isSparse() - Method in class org.grouplens.lenskit.knn.item.ItemVectorSimilarity
isSparse() - Method in interface org.grouplens.lenskit.knn.user.UserSimilarity: Query whether this similarity is sparse.
isSparse() - Method in class org.grouplens.lenskit.knn.user.UserVectorSimilarity
isSparse() - Method in class org.grouplens.lenskit.vectors.similarity.CosineVectorSimilarity
isSparse() - Method in class org.grouplens.lenskit.vectors.similarity.DistanceVectorSimilarity
isSparse() - Method in class org.grouplens.lenskit.vectors.similarity.MutualInformationVectorSimilarity
isSparse() - Method in class org.grouplens.lenskit.vectors.similarity.PearsonCorrelation
isSparse() - Method in class org.grouplens.lenskit.vectors.similarity.SignificanceWeightedVectorSimilarity
isSparse() - Method in class org.grouplens.lenskit.vectors.similarity.SpearmanRankCorrelation
isSparse() - Method in interface org.grouplens.lenskit.vectors.similarity.VectorSimilarity: Query whether this similarity function is sparse (returns 0 for vectors with disjoint key sets).
isSubclass(Class<?>) - Static method in class org.grouplens.lenskit.util.TypeUtils
isSymmetric() - Method in interface org.grouplens.lenskit.knn.item.ItemSimilarity: Query whether this similarity is symmetric.
isSymmetric() - Method in class org.grouplens.lenskit.knn.item.ItemVectorSimilarity
isSymmetric() - Method in interface org.grouplens.lenskit.knn.user.UserSimilarity: Query whether this similarity is symmetric.
isSymmetric() - Method in class org.grouplens.lenskit.knn.user.UserVectorSimilarity
isSymmetric() - Method in class org.grouplens.lenskit.vectors.similarity.CosineVectorSimilarity
isSymmetric() - Method in class org.grouplens.lenskit.vectors.similarity.DistanceVectorSimilarity
isSymmetric() - Method in class org.grouplens.lenskit.vectors.similarity.MutualInformationVectorSimilarity
isSymmetric() - Method in class org.grouplens.lenskit.vectors.similarity.PearsonCorrelation
isSymmetric() - Method in class org.grouplens.lenskit.vectors.similarity.SignificanceWeightedVectorSimilarity
isSymmetric() - Method in class org.grouplens.lenskit.vectors.similarity.SpearmanRankCorrelation
isSymmetric() - Method in interface org.grouplens.lenskit.vectors.similarity.VectorSimilarity: Query whether this similarity function is symmetric.
isUpToDate() - Method in class org.grouplens.lenskit.util.io.UpToDateChecker: Query if the output is up to date.
isUpToDate(long) - Method in class org.grouplens.lenskit.util.io.UpToDateChecker: Query if a particular output is up to date.
item - Variable in class org.grouplens.lenskit.data.pref.PreferenceBuilder
item(long) - Static method in class org.grouplens.lenskit.data.sql.QueryKey
item() - Static method in class org.grouplens.lenskit.data.text.Fields: The item ID field.
Item(EventDAO) - Constructor for class org.grouplens.lenskit.eval.traintest.CachingDAOProvider.Item
ITEM_TIME_COMPARATOR - Static variable in class org.grouplens.lenskit.data.event.Events: Compare two item events by item, then timestamp.
ITEM_TIME_COMPARATOR - Static variable in class org.grouplens.lenskit.data.event.Ratings
itemCount - Variable in class org.grouplens.lenskit.mf.svd.MFModel
itemDAO - Variable in class org.grouplens.lenskit.basic.TopNGlobalItemRecommender
itemDAO - Variable in class org.grouplens.lenskit.basic.TopNItemRecommender
ItemDAO - Interface in org.grouplens.lenskit.data.dao: DAO for items.
ItemEvent(EventDAO) - Constructor for class org.grouplens.lenskit.eval.traintest.CachingDAOProvider.ItemEvent
ItemEventCollection<E extends Event> - Interface in org.grouplens.lenskit.data.history: A collection of events associated with an item.
ItemEventDAO - Interface in org.grouplens.lenskit.data.dao: DAO to retrieve events by item.
ItemFile - Annotation Type in org.grouplens.lenskit.data.dao: Deprecated.
Use org.grouplens.lenskit.data.text instead.
ItemFile - Annotation Type in org.grouplens.lenskit.data.text: Item list file for SimpleFileItemDAOProvider.
itemId1 - Variable in class org.grouplens.lenskit.knn.item.model.ItemItemBuildContext.ItemVecPair
itemId2 - Variable in class org.grouplens.lenskit.knn.item.model.ItemItemBuildContext.ItemVecPair
itemIndex() - Method in class org.grouplens.lenskit.data.snapshot.PackedPreferenceSnapshot
itemIndex() - Method in interface org.grouplens.lenskit.data.snapshot.PreferenceSnapshot: Get the item ID index.
itemIndex - Variable in class org.grouplens.lenskit.mf.svd.MFModel
ItemItemBuildContext - Class in org.grouplens.lenskit.knn.item.model: Encapsulation of data needed during an item-item model build.
ItemItemBuildContext.ItemVecPair - Class in org.grouplens.lenskit.knn.item.model: A pair of item ids and their corresponding item vectors, avoiding (un)boxing the ids.
ItemItemBuildContextProvider - Class in org.grouplens.lenskit.knn.item.model: Provider that sets up an ItemItemBuildContext.
ItemItemBuildContextProvider(UserEventDAO, UserVectorNormalizer, UserHistorySummarizer) - Constructor for class org.grouplens.lenskit.knn.item.model.ItemItemBuildContextProvider
ItemItemGlobalScorer - Class in org.grouplens.lenskit.knn.item: Score items based on the basket of items using an item-item CF model.
ItemItemGlobalScorer(ItemItemModel, ItemScoreAlgorithm) - Constructor for class org.grouplens.lenskit.knn.item.ItemItemGlobalScorer
ItemItemModel - Interface in org.grouplens.lenskit.knn.item.model: Item-item similarity model.
ItemItemModelBackedGlobalScorer - Interface in org.grouplens.lenskit.knn.item: The global scorer for the global recommendation backed by a item-item model.
ItemItemModelBuilder - Class in org.grouplens.lenskit.knn.item.model: Build an item-item CF model from rating data.
ItemItemModelBuilder(ItemSimilarity, ItemItemBuildContext, Threshold, NeighborIterationStrategy, int) - Constructor for class org.grouplens.lenskit.knn.item.model.ItemItemModelBuilder
ItemItemScorer - Class in org.grouplens.lenskit.knn.item: Score items using an item-item CF model.
ItemItemScorer(UserEventDAO, ItemItemModel, UserHistorySummarizer, NeighborhoodScorer, ItemScoreAlgorithm, UserVectorNormalizer) - Constructor for class org.grouplens.lenskit.knn.item.ItemItemScorer: Construct a new item-item scorer.
itemList() - Static method in class org.grouplens.lenskit.data.sql.QueryKey
ItemListItemDAO - Class in org.grouplens.lenskit.data.dao: An item DAO that stores a precomputed list of items.
ItemListItemDAO(Collection<Long>) - Constructor for class org.grouplens.lenskit.data.dao.ItemListItemDAO
itemMatrix - Variable in class org.grouplens.lenskit.mf.svd.MFModel
ItemMeanRatingItemScorer - Class in org.grouplens.lenskit.baseline: Rating scorer that returns the item's mean rating for all predictions.
ItemMeanRatingItemScorer(ImmutableSparseVector, double, double) - Constructor for class org.grouplens.lenskit.baseline.ItemMeanRatingItemScorer: Construct a new scorer.
ItemMeanRatingItemScorer.Builder - Class in org.grouplens.lenskit.baseline: A builder to create ItemMeanPredictors.
ItemNameDAO - Interface in org.grouplens.lenskit.data.dao: A DAO interface that provides access to item names.
itemRatingVector(Collection<? extends Rating>) - Static method in class org.grouplens.lenskit.data.event.Ratings: Construct a rating vector that contains the ratings provided by each user.
ItemRecommender - Interface in org.grouplens.lenskit: Interface for recommending items.
ItemScoreAlgorithm - Interface in org.grouplens.lenskit.knn.item: Algorithm for scoring items given an item-item model and neighborhood scorer.
ItemScorer - Interface in org.grouplens.lenskit: Score items for users.
ItemSelector - Interface in org.grouplens.lenskit.eval.metrics.topn: Interface for selecting items for various phases of Top-N evaluation.
ItemSelectors - Class in org.grouplens.lenskit.eval.metrics.topn: Class providing various item selectors.
itemSet() - Method in class org.grouplens.lenskit.data.history.AbstractUserHistory
itemSet() - Method in interface org.grouplens.lenskit.data.history.UserHistory: Get the set of items touched by events in this history.
ItemSimilarity - Interface in org.grouplens.lenskit.knn.item: Compute the similarity between two items.
ItemSimilarityThreshold - Annotation Type in org.grouplens.lenskit.knn.item: Qualifier for threshold applied to item similarities.
ItemVecPair() - Constructor for class org.grouplens.lenskit.knn.item.model.ItemItemBuildContext.ItemVecPair
itemVector(long) - Method in class org.grouplens.lenskit.knn.item.model.ItemItemBuildContext: Get the rating vector for an item.
ItemVectorNormalizer - Interface in org.grouplens.lenskit.transform.normalize: Normalizes an item's vector.
ItemVectorSimilarity - Class in org.grouplens.lenskit.knn.item: Implementation of ItemSimilarity that delegates to a vector similarity.
ItemVectorSimilarity(VectorSimilarity) - Constructor for class org.grouplens.lenskit.knn.item.ItemVectorSimilarity
ItemwiseBuildContextProvider - Class in org.grouplens.lenskit.knn.item.model: Builder for ItemItemBuildContext that normalizes per-item, not per-user.
ItemwiseBuildContextProvider(ItemEventDAO, ItemDAO, ItemVectorNormalizer) - Constructor for class org.grouplens.lenskit.knn.item.model.ItemwiseBuildContextProvider: Construct a new build context provider.
IterationCount - Annotation Type in org.grouplens.lenskit.iterative: The number of iterations to use in an iterative update.
IterationCountStoppingCondition - Class in org.grouplens.lenskit.iterative: Stop once the iteration count has reached a value.
IterationCountStoppingCondition(int) - Constructor for class org.grouplens.lenskit.iterative.IterationCountStoppingCondition: Construct a new iteration count stopping condition.
iterator() - Method in class org.grouplens.lenskit.collections.CompactableLongArrayList
iterator() - Method in class org.grouplens.lenskit.collections.CopyingFastCollection: Deprecated.
iterator() - Method in class org.grouplens.lenskit.cursors.AbstractCursor: Get the iterator.
iterator() - Method in class org.grouplens.lenskit.data.history.BasicItemEventList
iterator() - Method in class org.grouplens.lenskit.data.history.BasicUserHistory
iterator() - Method in class org.grouplens.lenskit.vectors.SparseVector
iterator(VectorEntry.State) - Method in class org.grouplens.lenskit.vectors.SparseVector

J

JDBCRatingDAO - Class in org.grouplens.lenskit.data.sql: Rating DAO backed by a JDBC connection.
JDBCRatingDAO(Connection, SQLStatementFactory) - Constructor for class org.grouplens.lenskit.data.sql.JDBCRatingDAO: Deprecated.
Use JDBCRatingDAO.newBuilder().
JDBCRatingDAO(Connection, SQLStatementFactory, boolean) - Constructor for class org.grouplens.lenskit.data.sql.JDBCRatingDAO: Deprecated.
Use JDBCRatingDAO.newBuilder().
JDBCRatingDAOBuilder - Class in org.grouplens.lenskit.data.sql: Construct and configure a JDBC rating DAO.

K

keepTraining(double) - Method in interface org.grouplens.lenskit.iterative.TrainingLoopController: Query whether the computation should stop.
kernel - Variable in class org.grouplens.lenskit.mf.funksvd.FunkSVDItemScorer
keyDomain() - Method in class org.grouplens.lenskit.vectors.SparseVector: Get the key domain for this vector.
keyIsActive(long) - Method in class org.grouplens.lenskit.collections.LongKeyDomain: Query whether a key is active.
keyIterator(IntBidirectionalIterator) - Method in class org.grouplens.lenskit.collections.LongKeyDomain: Wrap an index iterator into a key iterator.
keyList() - Method in class org.grouplens.lenskit.collections.LongKeyDomain: Get the key set's list of keys (domain) as a list.
keysByValue() - Method in class org.grouplens.lenskit.vectors.SparseVector: Return the keys of this vector sorted by value.
keysByValue(boolean) - Method in class org.grouplens.lenskit.vectors.SparseVector: Get the keys of this vector sorted by the value of the items stored for each key.
keySet() - Method in class org.grouplens.lenskit.vectors.MutableSparseVector
keySet() - Method in class org.grouplens.lenskit.vectors.SparseVector: Get the set of keys of this vector.
KnownRatingRatingPredictor - Class in org.grouplens.lenskit.predict: Use a user's existing ratings as predictions.
KnownRatingRatingPredictor(UserEventDAO) - Constructor for class org.grouplens.lenskit.predict.KnownRatingRatingPredictor

L

largestDimension() - Method in class org.grouplens.lenskit.vectors.Vec: Deprecated.

Get the largest element of the vector.
lastIndexOf(Object) - Method in class org.grouplens.lenskit.data.history.BasicItemEventList
lastInRow - Variable in class org.grouplens.lenskit.knn.item.model.ItemItemBuildContext.ItemVecPair
lastModified() - Method in interface org.grouplens.lenskit.data.source.DataSource
lastModified() - Method in class org.grouplens.lenskit.data.source.GenericDataSource
lastModified() - Method in class org.grouplens.lenskit.data.source.PackedDataSource
lastModified() - Method in class org.grouplens.lenskit.data.source.TextDataSource
lastModified() - Method in class org.grouplens.lenskit.eval.data.traintest.GenericTTDataSet
lastModified() - Method in interface org.grouplens.lenskit.eval.data.traintest.TTDataSet: Get the last modification time of this data set.
lastTask - Variable in class org.grouplens.lenskit.eval.EvalTarget
lastTaskFuture - Variable in class org.grouplens.lenskit.eval.EvalTarget
LearningRate - Annotation Type in org.grouplens.lenskit.iterative: Learning rate for iterative methods.
LeastSquaresItemScorer - Class in org.grouplens.lenskit.baseline: Baseline scorer using least-squares estimates of preferences, trained by gradient descent.
LeastSquaresItemScorer(ImmutableSparseVector, ImmutableSparseVector, double) - Constructor for class org.grouplens.lenskit.baseline.LeastSquaresItemScorer: Construct a new least-squares scorer.
LeastSquaresItemScorer.Builder - Class in org.grouplens.lenskit.baseline: The builder for the least squares predictor.
length - Variable in class org.grouplens.lenskit.eval.metrics.topn.TopNLengthMetric.Result
length() - Method in interface org.grouplens.lenskit.util.table.Row: Get the length of this row.
LenskitAnnotationProcessor - Class in org.grouplens.lenskit.core: Annotation processor to provide basic linting of LensKit annotations.
LenskitAnnotationProcessor() - Constructor for class org.grouplens.lenskit.core.LenskitAnnotationProcessor
LenskitAntBuilder - Class in org.grouplens.lenskit.eval.script: Customized Ant builder that doesn't run tasks.
LenskitAntBuilder() - Constructor for class org.grouplens.lenskit.eval.script.LenskitAntBuilder
LenskitAntBuilder(Project) - Constructor for class org.grouplens.lenskit.eval.script.LenskitAntBuilder
LenskitAntBuilder(Project, Target) - Constructor for class org.grouplens.lenskit.eval.script.LenskitAntBuilder
LenskitAntBuilder(Task) - Constructor for class org.grouplens.lenskit.eval.script.LenskitAntBuilder
LenskitBinding<T> - Interface in org.grouplens.lenskit.core: LensKit-augmented binding interface.
LenskitConfigContext - Interface in org.grouplens.lenskit.core: LensKit-specific augmentations of the Grapht context interface.
LenskitConfigDSL - Class in org.grouplens.lenskit.config: Methods for the LensKit configuration DSL.
LenskitConfigDSL(ConfigurationLoader) - Constructor for class org.grouplens.lenskit.config.LenskitConfigDSL: Construct a new delegate with an empty configuration.
LenskitConfigDSL(ConfigurationLoader, LenskitConfiguration) - Constructor for class org.grouplens.lenskit.config.LenskitConfigDSL: Construct a new delegate.
LenskitConfigScript - Class in org.grouplens.lenskit.config: Base class for LensKit configuration scripts.
LenskitConfigScript() - Constructor for class org.grouplens.lenskit.config.LenskitConfigScript
LenskitConfigScript(Binding) - Constructor for class org.grouplens.lenskit.config.LenskitConfigScript
LenskitConfiguration - Class in org.grouplens.lenskit.core: A LensKit algorithm configuration.
LenskitConfiguration() - Constructor for class org.grouplens.lenskit.core.LenskitConfiguration
LenskitConfiguration(LenskitConfiguration) - Constructor for class org.grouplens.lenskit.core.LenskitConfiguration: Create a new copy of a LensKit configuration.
LenskitInfo - Class in org.grouplens.lenskit.core: Get access to general information about LensKit.
LenskitInfo() - Constructor for class org.grouplens.lenskit.core.LenskitInfo
LenskitRecommender - Class in org.grouplens.lenskit.core: Recommender implementation built on LensKit containers.
LenskitRecommender(DAGNode<Component, Dependency>) - Constructor for class org.grouplens.lenskit.core.LenskitRecommender: Create a new LensKit recommender.
LenskitRecommenderEngine - Class in org.grouplens.lenskit.core: LensKit implementation of a recommender engine.
LenskitRecommenderEngineBuilder - Class in org.grouplens.lenskit.core: Builds LensKit recommender engines from configurations.
LenskitRecommenderEngineBuilder() - Constructor for class org.grouplens.lenskit.core.LenskitRecommenderEngineBuilder
LenskitRecommenderEngineLoader - Class in org.grouplens.lenskit.core: Load a pre-built recommender engine from a file.
LenskitRecommenderEngineLoader() - Constructor for class org.grouplens.lenskit.core.LenskitRecommenderEngineLoader
LenskitTestUser - Class in org.grouplens.lenskit.eval.traintest: A user in a test set, with the results of their recommendations or predictions.
LenskitTestUser(LenskitRecommender, UserHistory<Event>) - Constructor for class org.grouplens.lenskit.eval.traintest.LenskitTestUser: Construct a new test user.
lenskitVersion() - Static method in class org.grouplens.lenskit.core.LenskitInfo: Get the current LensKit version.
like(long, long) - Static method in class org.grouplens.lenskit.data.event.Events: Create a new Like event with no timestamp.
like(long, long, long) - Static method in class org.grouplens.lenskit.data.event.Events: Create a new Like event.
Like - Interface in org.grouplens.lenskit.data.event: Generic interface representing a unary interaction.
likeBatch(long, long, int) - Static method in class org.grouplens.lenskit.data.event.Events: Create a LikeBatch event with a nonzero count.
LikeBatch - Interface in org.grouplens.lenskit.data.event: Generic interface representing a batch of unary interactions.
LikeBatchBuilder - Class in org.grouplens.lenskit.data.event: Builder for Like events.
LikeBatchBuilder() - Constructor for class org.grouplens.lenskit.data.event.LikeBatchBuilder
LikeBatchEventType - Class in org.grouplens.lenskit.data.text: Event type for Like, reading plus counts without timestamps (by default).
LikeBatchEventType() - Constructor for class org.grouplens.lenskit.data.text.LikeBatchEventType
LikeBuilder - Class in org.grouplens.lenskit.data.event: Builder for Like events.
LikeBuilder() - Constructor for class org.grouplens.lenskit.data.event.LikeBuilder
likeCount() - Static method in class org.grouplens.lenskit.data.text.Fields: A plus count field.
LikeCountUserHistorySummarizer - Class in org.grouplens.lenskit.data.history: Summarize a history by counting likes (both batched and unbatched).
LikeCountUserHistorySummarizer() - Constructor for class org.grouplens.lenskit.data.history.LikeCountUserHistorySummarizer: Create a new like count summarizer.
LikeEventType - Class in org.grouplens.lenskit.data.text: Event type for Like, reading plus events with optional timestamps.
LikeEventType() - Constructor for class org.grouplens.lenskit.data.text.LikeEventType
LineCursor - Class in org.grouplens.lenskit.util: Cursor that reads lines from a file.
LineCursor(BufferedReader) - Constructor for class org.grouplens.lenskit.util.LineCursor: Construct a cursor reading lines from a buffered reader.
list(Field...) - Static method in class org.grouplens.lenskit.data.text.Fields: Create a list of fields.
listIterator() - Method in class org.grouplens.lenskit.collections.CompactableLongArrayList
listIterator(int) - Method in class org.grouplens.lenskit.collections.CompactableLongArrayList
listIterator() - Method in class org.grouplens.lenskit.data.history.BasicItemEventList
listIterator(int) - Method in class org.grouplens.lenskit.data.history.BasicItemEventList
listSize - Variable in class org.grouplens.lenskit.eval.metrics.topn.TopNMetricBuilder
LiveNeighborFinder - Class in org.grouplens.lenskit.knn.user: Neighborhood finder that does a fresh search over the data source ever time.
LiveNeighborFinder(UserEventDAO, ItemEventDAO, UserSimilarity, UserVectorNormalizer, Threshold) - Constructor for class org.grouplens.lenskit.knn.user.LiveNeighborFinder: Construct a new user neighborhood finder.
LKFileUtils - Class in org.grouplens.lenskit.util.io: File utilities for LensKit.
load(Closure<?>) - Static method in class org.grouplens.lenskit.config.ConfigHelpers: Load a LensKit configuration from a Groovy closure.
load(String) - Static method in class org.grouplens.lenskit.config.ConfigHelpers: Deprecated.
Loading from Groovy source strings is confusing.
load(File) - Static method in class org.grouplens.lenskit.config.ConfigHelpers: Load a LensKit configuration from a script file.
load(URL) - Static method in class org.grouplens.lenskit.config.ConfigHelpers: Load a LensKit configuration from a script URL.
load(File) - Method in class org.grouplens.lenskit.config.ConfigurationLoader: Load a configuration from a file.
load(URL) - Method in class org.grouplens.lenskit.config.ConfigurationLoader: Load a configuration from a URL.
load(String) - Method in class org.grouplens.lenskit.config.ConfigurationLoader: Deprecated.
Loading from Groovy sources as strings is confusing.
load(Closure<?>) - Method in class org.grouplens.lenskit.config.ConfigurationLoader: Deprecated.
Use ConfigHelpers.load(groovy.lang.Closure) instead.
load(File) - Static method in class org.grouplens.lenskit.core.LenskitRecommenderEngine: Create a new LenskitRecommenderEngine by reading a previously serialized engine from the given file.
load(File, ClassLoader) - Static method in class org.grouplens.lenskit.core.LenskitRecommenderEngine: Deprecated.
Use LenskitRecommenderEngineLoader for sophisticated loading.
load(InputStream) - Static method in class org.grouplens.lenskit.core.LenskitRecommenderEngine: Create a new LenskitRecommenderEngine by reading a previously serialized engine from the given input stream.
load(InputStream, ClassLoader) - Static method in class org.grouplens.lenskit.core.LenskitRecommenderEngine: Deprecated.
Use LenskitRecommenderEngineLoader for sophisticated loading.
load(InputStream) - Method in class org.grouplens.lenskit.core.LenskitRecommenderEngineLoader: Load a recommender engine from an input stream.
load(File) - Method in class org.grouplens.lenskit.core.LenskitRecommenderEngineLoader: Load a recommender from a file.
loadAndWrap(EventDAO) - Static method in class org.grouplens.lenskit.data.dao.EventCollectionDAO: Create a new data source from EventDAO.
loadConfigurations(List<File>) - Method in class org.grouplens.lenskit.cli.ScriptEnvironment
Loader(File) - Constructor for class org.grouplens.lenskit.data.dao.packed.BinaryRatingDAO.Loader
loadExternalMethods() - Method in class org.grouplens.lenskit.eval.script.EvalScriptEngine: Register a default set of external methods.
loadProject(File) - Method in class org.grouplens.lenskit.eval.script.EvalScriptEngine: Load a set of evaluations from a script file.
loadProject(Reader) - Method in class org.grouplens.lenskit.eval.script.EvalScriptEngine: Load a set of evaluations from an input stream.
loadScript(File) - Method in class org.grouplens.lenskit.config.ConfigurationLoader: Load a configuration script from a file.
loadScript(URL) - Method in class org.grouplens.lenskit.config.ConfigurationLoader: Load a configuration script from a URL.
loadScript(String) - Method in class org.grouplens.lenskit.config.ConfigurationLoader: Load a configuration script from a script source.
LogContext - Class in org.grouplens.lenskit.util: Utility class to manage log data with MDC.
LogContext() - Constructor for class org.grouplens.lenskit.util.LogContext
logger - Variable in class org.grouplens.lenskit.config.LenskitConfigScript
logger - Variable in class org.grouplens.lenskit.data.dao.DelimitedTextRatingCursor: Deprecated.
logger - Variable in class org.grouplens.lenskit.data.source.AbstractDataSource
logger - Variable in class org.grouplens.lenskit.data.sql.JDBCRatingDAO
logger - Variable in class org.grouplens.lenskit.eval.script.EvalScript
Logging - Class in org.grouplens.lenskit.cli
LoggingStreamSlurper - Class in org.grouplens.lenskit.util.io: Thread that reads an input stream and writes its lines to a logger.
LoggingStreamSlurper(String, InputStream, Logger, String) - Constructor for class org.grouplens.lenskit.util.io.LoggingStreamSlurper: Create a new stream slurper.
LongKeyDomain - Class in org.grouplens.lenskit.collections: Implement a domain of long keys, sorted by key.
LongUtils - Class in org.grouplens.lenskit.collections: Utilities for working with longs and collections of them from Fastutil.
lookupBuilder(String) - Method in class org.grouplens.lenskit.eval.script.EvalScriptEngine: Find a builder with a particular name if it exists.
lookupMethod(String) - Method in class org.grouplens.lenskit.eval.script.EvalScriptEngine: Look up a registered method of any type.
lookupTask(String) - Method in class org.grouplens.lenskit.eval.script.EvalScriptEngine: Find a task with a particular name if it exists.
lowerBound(long) - Method in class org.grouplens.lenskit.collections.LongKeyDomain: Get the lower bound, the first index whose key is greater than or equal to the specified key.

M

mae - Variable in class org.grouplens.lenskit.eval.metrics.predict.MAEPredictMetric.UserResult
mae - Variable in class org.grouplens.lenskit.eval.metrics.predict.RMSEPredictMetric.UserResult
MAEPredictMetric - Class in org.grouplens.lenskit.eval.metrics.predict: Evaluate a recommender's predictions by Mean Absolute Error.
MAEPredictMetric() - Constructor for class org.grouplens.lenskit.eval.metrics.predict.MAEPredictMetric
MAEPredictMetric.AggregateResult - Class in org.grouplens.lenskit.eval.metrics.predict
MAEPredictMetric.Context - Class in org.grouplens.lenskit.eval.metrics.predict
MAEPredictMetric.UserResult - Class in org.grouplens.lenskit.eval.metrics.predict
Main - Class in org.grouplens.lenskit.cli: Main entry point for lenskit-cli.
Main() - Constructor for class org.grouplens.lenskit.cli.Main
main(String[]) - Static method in class org.grouplens.lenskit.cli.Main
main(String[]) - Static method in class org.grouplens.lenskit.eval.cli.EvalCLI: Deprecated.

Run the evaluator from the command line.
make(long, long, double) - Static method in class org.grouplens.lenskit.data.event.Ratings: Make a fresh rating object with no timestamp.
make(long, long, double, long) - Static method in class org.grouplens.lenskit.data.event.Ratings: Make a fresh rating event.
make(long, long, double) - Static method in class org.grouplens.lenskit.data.pref.Preferences: Create a new preference.
makeDataSource(File) - Method in class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask
makeEstimator(PreferenceSnapshot) - Method in class org.grouplens.lenskit.mf.funksvd.FunkSVDUpdateRule: Create an estimator to use while training the recommender.
makeInstantiator(Map<Desire, Instantiator>) - Method in class org.grouplens.lenskit.inject.PlaceholderSatisfaction
makeList(Cursor<? extends T>) - Static method in class org.grouplens.lenskit.cursors.Cursors: Read a cursor into a list, closing when it is finished.
makeRatingVector(UserHistory<? extends Event>) - Static method in class org.grouplens.lenskit.data.history.RatingVectorUserHistorySummarizer
makeSet(BinaryFormatFlag...) - Static method in enum org.grouplens.lenskit.data.dao.packed.BinaryFormatFlag
makeTransformation(long, SparseVector) - Method in class org.grouplens.lenskit.transform.normalize.BaselineSubtractingUserVectorNormalizer
makeTransformation(long, SparseVector) - Method in class org.grouplens.lenskit.transform.normalize.DefaultItemVectorNormalizer
makeTransformation(long, SparseVector) - Method in class org.grouplens.lenskit.transform.normalize.DefaultUserVectorNormalizer
makeTransformation(SparseVector) - Method in class org.grouplens.lenskit.transform.normalize.IdentityVectorNormalizer
makeTransformation(long, SparseVector) - Method in interface org.grouplens.lenskit.transform.normalize.ItemVectorNormalizer: Make a vector transformation for an item.
makeTransformation(SparseVector) - Method in class org.grouplens.lenskit.transform.normalize.MeanCenteringVectorNormalizer
makeTransformation(SparseVector) - Method in class org.grouplens.lenskit.transform.normalize.MeanVarianceNormalizer
makeTransformation(SparseVector) - Method in class org.grouplens.lenskit.transform.normalize.UnitVectorNormalizer
makeTransformation(long, SparseVector) - Method in interface org.grouplens.lenskit.transform.normalize.UserVectorNormalizer: Make a vector transformation for a user.
makeTransformation(SparseVector) - Method in interface org.grouplens.lenskit.transform.normalize.VectorNormalizer: Create a vector transformation that normalizes and denormalizes vectors with respect to the specified entity.
makeWriter(File) - Method in class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask
map - Variable in class org.grouplens.lenskit.eval.metrics.topn.MAPTopNMetric.AggregateResult: The MAP over all users.
MapItemNameDAO - Class in org.grouplens.lenskit.data.dao: An item name DAO backed by a map of item IDs to names.
MapItemNameDAO(Map<Long, String>) - Constructor for class org.grouplens.lenskit.data.dao.MapItemNameDAO
MAPTopNMetric - Class in org.grouplens.lenskit.eval.metrics.topn: Compute the mean average precision.
MAPTopNMetric(String, String, int, ItemSelector, ItemSelector, ItemSelector) - Constructor for class org.grouplens.lenskit.eval.metrics.topn.MAPTopNMetric: Construct a new mean average precision top n metric
MAPTopNMetric.AggregateResult - Class in org.grouplens.lenskit.eval.metrics.topn
MAPTopNMetric.Builder - Class in org.grouplens.lenskit.eval.metrics.topn
MAPTopNMetric.Context - Class in org.grouplens.lenskit.eval.metrics.topn
MAPTopNMetric.UserResult - Class in org.grouplens.lenskit.eval.metrics.topn
matching(ContextPattern) - Method in class org.grouplens.lenskit.config.BindingDSL
matching(ContextPattern, Closure<?>) - Method in class org.grouplens.lenskit.config.BindingDSL
matching(ContextPattern) - Method in interface org.grouplens.lenskit.core.LenskitConfigContext
matching(ContextPattern) - Method in class org.grouplens.lenskit.core.LenskitConfiguration
mean - Variable in class org.grouplens.lenskit.eval.metrics.topn.TopNPopularityMetric.Result
mean() - Method in class org.grouplens.lenskit.vectors.ImmutableSparseVector
mean() - Method in class org.grouplens.lenskit.vectors.SparseVector: Compute and return the mean of the vector's values.
mean() - Method in class org.grouplens.lenskit.vectors.Vec: Deprecated.

Get the mean of this vector.
MeanAccumulator - Class in org.grouplens.lenskit.util.statistics: Accumulate a mean.
MeanAccumulator() - Constructor for class org.grouplens.lenskit.util.statistics.MeanAccumulator: Construct a new, zeroed average accumulator.
MeanAccumulator(double, long) - Constructor for class org.grouplens.lenskit.util.statistics.MeanAccumulator: Initialize the MeanAccumulator with a pre-calculated sum and the amount of values included.
MeanCenteringVectorNormalizer - Class in org.grouplens.lenskit.transform.normalize: Vector normlizer that subtracts the mean from every value.
MeanCenteringVectorNormalizer() - Constructor for class org.grouplens.lenskit.transform.normalize.MeanCenteringVectorNormalizer
MeanDamping - Annotation Type in org.grouplens.lenskit.baseline: Damping parameter for means in baseline predictors.
MeanVarianceNormalizer - Class in org.grouplens.lenskit.transform.normalize: Normalizes against the variance of the vector with optional smoothing as described in Hofmann '04.
MeanVarianceNormalizer() - Constructor for class org.grouplens.lenskit.transform.normalize.MeanVarianceNormalizer: Initializes basic normalizer with no damping.
MeanVarianceNormalizer(double, double) - Constructor for class org.grouplens.lenskit.transform.normalize.MeanVarianceNormalizer: Construct a new mean variance normalizer.
MeanVarianceNormalizer.Builder - Class in org.grouplens.lenskit.transform.normalize: A Builder for UserVarianceNormalizers that computes the variance from a RatingBuildContext.
measureUser(TestUser, X) - Method in class org.grouplens.lenskit.eval.metrics.AbstractMetric
measureUser(TestUser, X) - Method in interface org.grouplens.lenskit.eval.metrics.Metric: Measure a user in the evaluation.
measureUser(TestUser, List<Object>) - Method in class org.grouplens.lenskit.eval.traintest.FunctionModelMetric
measureUser(TestUser, Void) - Method in class org.grouplens.lenskit.eval.traintest.FunctionMultiModelMetric
memoize(Function<? super UserHistory<E>, ? extends T>) - Method in class org.grouplens.lenskit.data.history.AbstractUserHistory
memoize(Function<? super UserHistory<E>, ? extends T>) - Method in interface org.grouplens.lenskit.data.history.UserHistory: Apply a function to this history, memoizing its return value.
methodMissing(String, Object) - Method in class org.grouplens.lenskit.config.LenskitConfigScript: Groovy override to pass things off to the delegate.
methodMissing(String, Object) - Method in class org.grouplens.lenskit.eval.script.DefaultConfigDelegate
methodMissing(String, Object) - Method in class org.grouplens.lenskit.eval.script.EvalScript
Metric<X> - Interface in org.grouplens.lenskit.eval.metrics: Base interface for metrics, which are used by evaluations to measure their results.
MetricFactory<T> - Class in org.grouplens.lenskit.eval.traintest: Create a metric for a train-test evaluation.
MetricFactory() - Constructor for class org.grouplens.lenskit.eval.traintest.MetricFactory
MFModel - Class in org.grouplens.lenskit.mf.svd: Common model for matrix factorization (SVD) recommendation.
MFModel(ImmutableMatrix, ImmutableMatrix, IdIndexMapping, IdIndexMapping) - Constructor for class org.grouplens.lenskit.mf.svd.MFModel: Construct a matrix factorization model.
MinimumIterations - Annotation Type in org.grouplens.lenskit.iterative: The minimum number of iterations to use.
MinNeighbors - Annotation Type in org.grouplens.lenskit.knn: The minimum number of neighbors required to attempt a prediction.
ml100kFormat() - Static method in class org.grouplens.lenskit.data.text.Formats: Get a format for reading the ML-100K data set.
MockTestUser - Class in org.grouplens.lenskit.eval.traintest
MockTestUser(UserHistory<Event>, UserHistory<Event>, SparseVector, List<ScoredId>, Recommender) - Constructor for class org.grouplens.lenskit.eval.traintest.MockTestUser
MockTestUser.Builder - Class in org.grouplens.lenskit.eval.traintest
model - Variable in class org.grouplens.lenskit.knn.item.ItemItemGlobalScorer
model - Variable in class org.grouplens.lenskit.knn.item.ItemItemScorer
model - Variable in class org.grouplens.lenskit.mf.funksvd.FunkSVDItemScorer
model - Variable in class org.grouplens.lenskit.slopeone.SlopeOneItemScorer
ModelDisposition - Enum in org.grouplens.lenskit.core: The way components should be handled when building a LensKit recommender.
ModelSize - Annotation Type in org.grouplens.lenskit.knn.item: Number of neighbors to retain in the similarity matrix.
modifiableActiveSetView() - Method in class org.grouplens.lenskit.collections.LongKeyDomain: Get a view of this key set as a set that supports limited mutation.
MoreArrays - Class in org.grouplens.lenskit.collections: Additional array utilities.
MoreSuppliers - Class in org.grouplens.lenskit.util: Utility functions for suppliers.
mostPopular(int) - Static method in class org.grouplens.lenskit.eval.metrics.topn.ItemSelectors: Select the most popular items.
movieLensFormat() - Static method in class org.grouplens.lenskit.data.text.Formats: Get a format for reading the MovieLens 1M and 10M data sets.
movieLensLatest() - Static method in class org.grouplens.lenskit.data.text.Formats: Get a format for reading the MovieLens 20M and Latest data sets.
mrr - Variable in class org.grouplens.lenskit.eval.metrics.topn.MRRTopNMetric.AggregateResult: The MRR over all users.
MRRTopNMetric - Class in org.grouplens.lenskit.eval.metrics.topn: Compute the mean reciprocal rank.
MRRTopNMetric(String, String, int, ItemSelector, ItemSelector, ItemSelector) - Constructor for class org.grouplens.lenskit.eval.metrics.topn.MRRTopNMetric: Construct a new recall and precision top n metric
MRRTopNMetric.AggregateResult - Class in org.grouplens.lenskit.eval.metrics.topn
MRRTopNMetric.Builder - Class in org.grouplens.lenskit.eval.metrics.topn
MRRTopNMetric.Context - Class in org.grouplens.lenskit.eval.metrics.topn
MRRTopNMetric.UserResult - Class in org.grouplens.lenskit.eval.metrics.topn
MultiplexedTableWriter - Class in org.grouplens.lenskit.util.table.writer
MultiplexedTableWriter(TableLayout, List<TableWriter>) - Constructor for class org.grouplens.lenskit.util.table.writer.MultiplexedTableWriter
MultiplexedTableWriter(TableLayout, TableWriter...) - Constructor for class org.grouplens.lenskit.util.table.writer.MultiplexedTableWriter
multiply(double) - Method in class org.grouplens.lenskit.vectors.MutableSparseVector: Multiply the vector by a scalar.
multiply(SparseVector) - Method in class org.grouplens.lenskit.vectors.MutableSparseVector: Multiply each element in the vector by the corresponding element in another vector.
mutableCopy() - Method in class org.grouplens.lenskit.vectors.ImmutableSparseVector
mutableCopy() - Method in class org.grouplens.lenskit.vectors.MutableSparseVector
mutableCopy() - Method in class org.grouplens.lenskit.vectors.SparseVector: Return a mutable copy of this sparse vector.
mutableCopy() - Method in class org.grouplens.lenskit.vectors.Vec: Deprecated.

Get a mutable copy of this vector.
MutableIdIndexMapping - Class in org.grouplens.lenskit.indexes: Mutable index mapping.
MutableIdIndexMapping() - Constructor for class org.grouplens.lenskit.indexes.MutableIdIndexMapping: Construct a new empty indexer.
MutableRating - Class in org.grouplens.lenskit.data.event: Rating implementation for mutation by fast iterators.
MutableRating() - Constructor for class org.grouplens.lenskit.data.event.MutableRating
MutableSparseVector - Class in org.grouplens.lenskit.vectors: Mutable version of sparse vector.
MutableVec - Class in org.grouplens.lenskit.vectors: Deprecated.
Use vectorz instead.
mutualInformation - Variable in class org.grouplens.lenskit.eval.metrics.predict.EntropyPredictMetric.EntropyResult
MutualInformationAccumulator - Class in org.grouplens.lenskit.util.statistics: Accumulate mutual information over two discrete variables.
MutualInformationAccumulator(int, int) - Constructor for class org.grouplens.lenskit.util.statistics.MutualInformationAccumulator: Construct a new accumulator.
MutualInformationAccumulator(int) - Constructor for class org.grouplens.lenskit.util.statistics.MutualInformationAccumulator: Construct a new accumulator with equal-sized event spaces.
MutualInformationVectorSimilarity - Class in org.grouplens.lenskit.vectors.similarity: Similarity function that assumes the two vectors are paired samples from 2 correlated random variables.
MutualInformationVectorSimilarity(Quantizer) - Constructor for class org.grouplens.lenskit.vectors.similarity.MutualInformationVectorSimilarity: Construct a new mutual information similarity.

N

nattempted - Variable in class org.grouplens.lenskit.eval.metrics.predict.CoveragePredictMetric.Coverage
nDCG - Variable in class org.grouplens.lenskit.eval.metrics.topn.NDCGTopNMetric.Result
NDCGPredictMetric - Class in org.grouplens.lenskit.eval.metrics.predict: Evaluate a recommender's predictions with normalized discounted cumulative gain.
NDCGPredictMetric() - Constructor for class org.grouplens.lenskit.eval.metrics.predict.NDCGPredictMetric
NDCGPredictMetric.Result - Class in org.grouplens.lenskit.eval.metrics.predict
NDCGTopNMetric - Class in org.grouplens.lenskit.eval.metrics.topn
NDCGTopNMetric(String, String, int, ItemSelector, ItemSelector) - Constructor for class org.grouplens.lenskit.eval.metrics.topn.NDCGTopNMetric: Construct a new nDCG Top-N metric.
NDCGTopNMetric.Builder - Class in org.grouplens.lenskit.eval.metrics.topn
NDCGTopNMetric.Result - Class in org.grouplens.lenskit.eval.metrics.topn
Neighbor - Class in org.grouplens.lenskit.knn.user: Representation of a single neighboring user.
Neighbor(long, SparseVector, double) - Constructor for class org.grouplens.lenskit.knn.user.Neighbor: Construct a new neighbor.
NeighborFinder - Interface in org.grouplens.lenskit.knn.user: Finds candidate neighbors for a user.
neighborFinder - Variable in class org.grouplens.lenskit.knn.user.UserUserItemScorer
NEIGHBORHOOD_SIZE_SYMBOL - Static variable in class org.grouplens.lenskit.knn.item.ItemItemScorer
NEIGHBORHOOD_SIZE_SYMBOL - Static variable in class org.grouplens.lenskit.knn.user.UserUserItemScorer
NEIGHBORHOOD_WEIGHT_SYMBOL - Static variable in class org.grouplens.lenskit.knn.item.WeightedAverageNeighborhoodScorer
NEIGHBORHOOD_WEIGHT_SYMBOL - Static variable in class org.grouplens.lenskit.knn.user.UserUserItemScorer
NeighborhoodScorer - Interface in org.grouplens.lenskit.knn.item: Compute scores from neighborhoods and score vectors.
NeighborhoodSize - Annotation Type in org.grouplens.lenskit.knn: Number of neighbors to consider when building a prediction.
NeighborIterationStrategy - Interface in org.grouplens.lenskit.knn.item.model: Abstraction of strategies for iterating over potential neighboring items.
neighborIterator(ItemItemBuildContext, long, boolean) - Method in class org.grouplens.lenskit.knn.item.model.BasicNeighborIterationStrategy
neighborIterator(ItemItemBuildContext, long, boolean) - Method in interface org.grouplens.lenskit.knn.item.model.NeighborIterationStrategy: Get an iterator over possible neighbors of an item.
neighborIterator(ItemItemBuildContext, long, boolean) - Method in class org.grouplens.lenskit.knn.item.model.SparseNeighborIterationStrategy
newBuilder() - Static method in class org.grouplens.lenskit.basic.PrecomputedItemScorer: Construct a new builder for precomputed item scorers.
newBuilder() - Static method in class org.grouplens.lenskit.core.LenskitRecommenderEngine: Create a new recommender engine builder.
newBuilder() - Static method in class org.grouplens.lenskit.data.event.Ratings: Construct a new RatingBuilder.
newBuilder() - Static method in class org.grouplens.lenskit.data.pref.PreferenceDomain: Create a new preference domain builder.
newBuilder() - Static method in class org.grouplens.lenskit.data.pref.Preferences: Construct a new preference builder.
newBuilder() - Static method in class org.grouplens.lenskit.data.sql.JDBCRatingDAO: Create a new JDBC DAO builder.
newBuilder() - Method in interface org.grouplens.lenskit.data.text.EventTypeDefinition: Construct a new builder for this event type.
newBuilder() - Method in class org.grouplens.lenskit.data.text.LikeBatchEventType
newBuilder() - Method in class org.grouplens.lenskit.data.text.LikeEventType
newBuilder() - Method in class org.grouplens.lenskit.data.text.RatingEventType
newBuilder() - Static method in class org.grouplens.lenskit.eval.data.traintest.GenericTTDataSet: Create a new generic train-test data set builder.
newBuilder(String) - Static method in class org.grouplens.lenskit.eval.data.traintest.GenericTTDataSet: Create a new generic train-test data set builder.
newBuilder() - Static method in class org.grouplens.lenskit.eval.ExecutionInfo: Create a new builder to build instances.
newBuilder() - Static method in class org.grouplens.lenskit.eval.traintest.MockTestUser
newBuilder() - Static method in class org.grouplens.lenskit.scored.ScoredIds: Create a new builder.
newContext() - Method in class org.grouplens.lenskit.data.text.DelimitedColumnEventFormat
newContext() - Method in interface org.grouplens.lenskit.data.text.EventFormat: Create a new context that may speed up parsing.
newListBuilder() - Static method in class org.grouplens.lenskit.scored.ScoredIds: Create a new list builder.
newListBuilder(int) - Static method in class org.grouplens.lenskit.scored.ScoredIds: Create a new list builder.
newLoader() - Static method in class org.grouplens.lenskit.core.LenskitRecommenderEngine: Create a new recommender engine loader.
newLoop() - Method in class org.grouplens.lenskit.iterative.ErrorThresholdStoppingCondition
newLoop() - Method in class org.grouplens.lenskit.iterative.IterationCountStoppingCondition
newLoop() - Method in interface org.grouplens.lenskit.iterative.StoppingCondition: Create a controller for a new training loop.
newLoop() - Method in class org.grouplens.lenskit.iterative.ThresholdStoppingCondition
next() - Method in class org.grouplens.lenskit.cursors.AbstractPollingCursor
next() - Method in interface org.grouplens.lenskit.cursors.Cursor: Fetch the next item from the cursor.
next() - Method in class org.grouplens.lenskit.cursors.CursorIterator
next() - Method in class org.grouplens.lenskit.cursors.GroupingCursor
next() - Method in class org.grouplens.lenskit.util.DelimitedTextCursor
nextInt() - Method in class org.grouplens.lenskit.collections.BitSetIterator
ngood - Variable in class org.grouplens.lenskit.eval.metrics.predict.CoveragePredictMetric.Coverage
nodeCompleted(Object, Object) - Method in class org.grouplens.lenskit.eval.script.LenskitAntBuilder
NodeInstantiator - Class in org.grouplens.lenskit.inject: Instantiate graph nodes.
NodeInstantiator() - Constructor for class org.grouplens.lenskit.inject.NodeInstantiator
NodeProcessor - Interface in org.grouplens.lenskit.inject: Process a node in a graph.
NodeProcessors - Class in org.grouplens.lenskit.inject
NodeProcessors() - Constructor for class org.grouplens.lenskit.inject.NodeProcessors
NoOpTruncator - Class in org.grouplens.lenskit.transform.truncate: A VectorTruncator that does not actually perform any truncation.
NoOpTruncator() - Constructor for class org.grouplens.lenskit.transform.truncate.NoOpTruncator
norm() - Method in class org.grouplens.lenskit.vectors.ImmutableSparseVector
norm() - Method in class org.grouplens.lenskit.vectors.ImmutableVec: Deprecated.
norm() - Method in class org.grouplens.lenskit.vectors.SparseVector: Compute and return the L2 norm (Euclidian length) of the vector.
norm() - Method in class org.grouplens.lenskit.vectors.Vec: Deprecated.

Get the L2 (Euclidean) norm of this vector.
normalize(long, SparseVector, MutableSparseVector) - Method in class org.grouplens.lenskit.transform.normalize.AbstractUserVectorNormalizer: Normalize a vector with respect to a user vector.
normalize(SparseVector, MutableSparseVector) - Method in class org.grouplens.lenskit.transform.normalize.AbstractVectorNormalizer: Normalize a vector in-place with a reference vector.
normalize(long, SparseVector, MutableSparseVector) - Method in class org.grouplens.lenskit.transform.normalize.DefaultItemVectorNormalizer
normalize(long, SparseVector, MutableSparseVector) - Method in class org.grouplens.lenskit.transform.normalize.DefaultUserVectorNormalizer
normalize(long, SparseVector, MutableSparseVector) - Method in interface org.grouplens.lenskit.transform.normalize.ItemVectorNormalizer: Normalize a vector with respect to an item vector.
normalize(long, SparseVector, MutableSparseVector) - Method in interface org.grouplens.lenskit.transform.normalize.UserVectorNormalizer: Normalize a vector with respect to a user vector.
normalize(SparseVector, MutableSparseVector) - Method in interface org.grouplens.lenskit.transform.normalize.VectorNormalizer: Normalize a vector in-place with a reference vector.
normalizeNeighborRatings(Collection<? extends Collection<Neighbor>>) - Method in class org.grouplens.lenskit.knn.user.UserUserItemScorer: Normalize all neighbor rating vectors, taking care to normalize each one only once.
normalizer - Variable in class org.grouplens.lenskit.knn.item.ItemItemScorer
normalizer - Variable in class org.grouplens.lenskit.knn.user.UserUserItemScorer
NormalizingItemItemModelBuilder - Class in org.grouplens.lenskit.knn.item.model: Build an item-item CF model from rating data.
NormalizingItemItemModelBuilder(ItemSimilarity, ItemItemBuildContext, ItemVectorNormalizer, VectorTruncator, NeighborIterationStrategy) - Constructor for class org.grouplens.lenskit.knn.item.model.NormalizingItemItemModelBuilder: Construct a normalizing item-item model builder.
NoThreshold - Class in org.grouplens.lenskit.transform.threshold: Represents the absence of a threshold function, choosing to retain all similarity values passed to it.
NoThreshold() - Constructor for class org.grouplens.lenskit.transform.threshold.NoThreshold
nRandom(int) - Static method in class org.grouplens.lenskit.eval.metrics.topn.ItemSelectors: Randomly selects items from the universe.
nusers - Variable in class org.grouplens.lenskit.eval.metrics.predict.CoveragePredictMetric.AggregateCoverage

O

objectCollection(Collection<E>) - Static method in class org.grouplens.lenskit.collections.CollectionUtils: Wrap a Collection in an ObjectCollection.
of(T...) - Static method in class org.grouplens.lenskit.cursors.Cursors: Create a cursor over a fixed set of elements.
of(String) - Static method in class org.grouplens.lenskit.symbols.Symbol: Get a unique symbol for name.
of(TypedSymbol<T>, T) - Static method in class org.grouplens.lenskit.symbols.SymbolValue: Create a typed symbol value.
of(TypedSymbol<Double>, double) - Static method in class org.grouplens.lenskit.symbols.SymbolValue: Create an unboxed symbol value.
of(Symbol, double) - Static method in class org.grouplens.lenskit.symbols.SymbolValue: Create an unboxed symbol value.
of(Class<T>, String) - Static method in class org.grouplens.lenskit.symbols.TypedSymbol: Get a unique symbol for name and type.
of(Class<T>, Symbol) - Static method in class org.grouplens.lenskit.symbols.TypedSymbol
open(BufferedReader, String) - Static method in class org.grouplens.lenskit.data.dao.DelimitedTextRatingCursor: Deprecated.
open(File) - Static method in class org.grouplens.lenskit.data.dao.packed.BinaryRatingDAO: Open a binary rating DAO.
open(File, BinaryFormatFlag...) - Static method in class org.grouplens.lenskit.data.dao.packed.BinaryRatingPacker: Open a new binary rating packer.
open(File, EnumSet<BinaryFormatFlag>) - Static method in class org.grouplens.lenskit.data.dao.packed.BinaryRatingPacker: Open a new binary rating packer.
open(File, TableLayout, CompressionMode) - Static method in class org.grouplens.lenskit.util.table.writer.CSVWriter: Open a CSV writer to write to a file.
open(File, TableLayout) - Static method in class org.grouplens.lenskit.util.table.writer.CSVWriter: Open a CSV writer to write to an auto-compressed file.
openFile(File) - Static method in class org.grouplens.lenskit.util.LineCursor: Open a delimited text cursor as a file.
openFile(File, CompressionMode) - Static method in class org.grouplens.lenskit.util.LineCursor: Open a delimited text cursor as a file.
openInput(File, Charset, CompressionMode) - Static method in class org.grouplens.lenskit.util.io.LKFileUtils: Open a file for input, optionally compressed.
openInput(File, CompressionMode) - Static method in class org.grouplens.lenskit.util.io.LKFileUtils: Open a file for input with the default charset.
openInput(File) - Static method in class org.grouplens.lenskit.util.io.LKFileUtils: Open a reader with automatic compression and the default character set.
openOutput(File, Charset, CompressionMode) - Static method in class org.grouplens.lenskit.util.io.LKFileUtils: Open a file for input, optionally compressed.
openOutput(File, CompressionMode) - Static method in class org.grouplens.lenskit.util.io.LKFileUtils: Open a file for output with the default charset.
openOutput(File) - Static method in class org.grouplens.lenskit.util.io.LKFileUtils: Open a reader with automatic compression inference.
openOutputStream() - Method in class org.grouplens.lenskit.util.io.StagedWrite: Open an output stream for the staging file.
Order<E> - Interface in org.grouplens.lenskit.eval.data.crossfold: An order for a list.
OrdRecRatingPredictor - Class in org.grouplens.lenskit.predict.ordrec: Rating predictor using OrdRec to map scores to ratings.
OrdRecRatingPredictor(ItemScorer, UserEventDAO, Quantizer, double, double, int, boolean) - Constructor for class org.grouplens.lenskit.predict.ordrec.OrdRecRatingPredictor: Constructor of OrdRecRatingPrediciton
OrdRecRatingPredictor(ItemScorer, UserEventDAO, Quantizer) - Constructor for class org.grouplens.lenskit.predict.ordrec.OrdRecRatingPredictor
org.grouplens.lenskit - package org.grouplens.lenskit: Interfaces defining the LensKit API.
org.grouplens.lenskit.baseline - package org.grouplens.lenskit.baseline: Baseline predictors.
org.grouplens.lenskit.basic - package org.grouplens.lenskit.basic: Basic component implementations.
org.grouplens.lenskit.cli - package org.grouplens.lenskit.cli
org.grouplens.lenskit.collections - package org.grouplens.lenskit.collections: Custom collections and related utilities.
org.grouplens.lenskit.config - package org.grouplens.lenskit.config: Configuration loading support.
org.grouplens.lenskit.core - package org.grouplens.lenskit.core: Core API implementation classes for LensKit.
org.grouplens.lenskit.cursors - package org.grouplens.lenskit.cursors: Cursors for iterative data access.
org.grouplens.lenskit.data.dao - package org.grouplens.lenskit.data.dao: LensKit data access objects.
org.grouplens.lenskit.data.dao.packed - package org.grouplens.lenskit.data.dao.packed: Binary-packed rating DAOs.
org.grouplens.lenskit.data.event - package org.grouplens.lenskit.data.event: LensKit's events and related types.
org.grouplens.lenskit.data.history - package org.grouplens.lenskit.data.history: User histories (sequences of events).
org.grouplens.lenskit.data.pref - package org.grouplens.lenskit.data.pref: User preferences for items.
org.grouplens.lenskit.data.snapshot - package org.grouplens.lenskit.data.snapshot: Snapshotting summarized user data.
org.grouplens.lenskit.data.source - package org.grouplens.lenskit.data.source: Support for data sources, packaged configurations of DAOs.
org.grouplens.lenskit.data.sql - package org.grouplens.lenskit.data.sql: JDBC-based data access layer.
org.grouplens.lenskit.data.text - package org.grouplens.lenskit.data.text: Support for reading data from various forms of text files (mostly CSV its friends).
org.grouplens.lenskit.eval - package org.grouplens.lenskit.eval
org.grouplens.lenskit.eval.algorithm - package org.grouplens.lenskit.eval.algorithm
org.grouplens.lenskit.eval.cli - package org.grouplens.lenskit.eval.cli
org.grouplens.lenskit.eval.data - package org.grouplens.lenskit.eval.data
org.grouplens.lenskit.eval.data.crossfold - package org.grouplens.lenskit.eval.data.crossfold
org.grouplens.lenskit.eval.data.pack - package org.grouplens.lenskit.eval.data.pack
org.grouplens.lenskit.eval.data.subsample - package org.grouplens.lenskit.eval.data.subsample
org.grouplens.lenskit.eval.data.traintest - package org.grouplens.lenskit.eval.data.traintest
org.grouplens.lenskit.eval.graph - package org.grouplens.lenskit.eval.graph
org.grouplens.lenskit.eval.metrics - package org.grouplens.lenskit.eval.metrics
org.grouplens.lenskit.eval.metrics.predict - package org.grouplens.lenskit.eval.metrics.predict
org.grouplens.lenskit.eval.metrics.topn - package org.grouplens.lenskit.eval.metrics.topn
org.grouplens.lenskit.eval.results - package org.grouplens.lenskit.eval.results
org.grouplens.lenskit.eval.script - package org.grouplens.lenskit.eval.script: Machinery for interpreting evaluator scripts.
org.grouplens.lenskit.eval.traintest - package org.grouplens.lenskit.eval.traintest
org.grouplens.lenskit.external - package org.grouplens.lenskit.external
org.grouplens.lenskit.indexes - package org.grouplens.lenskit.indexes: Indexes mapping between objects or IDs and integers.
org.grouplens.lenskit.inject - package org.grouplens.lenskit.inject: Support classes for working with dependency injection.
org.grouplens.lenskit.iterative - package org.grouplens.lenskit.iterative: Common utilities for iterative methods.
org.grouplens.lenskit.knn - package org.grouplens.lenskit.knn: Neighborhood-based collaborative filtering (common support code).
org.grouplens.lenskit.knn.item - package org.grouplens.lenskit.knn.item: Implementation of item-item collaborative filtering.
org.grouplens.lenskit.knn.item.model - package org.grouplens.lenskit.knn.item.model: Model classes and builders for the item-item k-NN collaborative filter.
org.grouplens.lenskit.knn.user - package org.grouplens.lenskit.knn.user: Implementation of user-user collaborative filtering.
org.grouplens.lenskit.mf.funksvd - package org.grouplens.lenskit.mf.funksvd
org.grouplens.lenskit.mf.svd - package org.grouplens.lenskit.mf.svd
org.grouplens.lenskit.predict - package org.grouplens.lenskit.predict
org.grouplens.lenskit.predict.ordrec - package org.grouplens.lenskit.predict.ordrec
org.grouplens.lenskit.scored - package org.grouplens.lenskit.scored: Associate IDs with scores.
org.grouplens.lenskit.slopeone - package org.grouplens.lenskit.slopeone
org.grouplens.lenskit.symbols - package org.grouplens.lenskit.symbols: Interned symbols.
org.grouplens.lenskit.transform.clamp - package org.grouplens.lenskit.transform.clamp: Clamping functions.
org.grouplens.lenskit.transform.normalize - package org.grouplens.lenskit.transform.normalize: Interfaces and classes for data normalization.
org.grouplens.lenskit.transform.quantize - package org.grouplens.lenskit.transform.quantize: Quantize values.
org.grouplens.lenskit.transform.threshold - package org.grouplens.lenskit.transform.threshold: Threshold values.
org.grouplens.lenskit.transform.truncate - package org.grouplens.lenskit.transform.truncate
org.grouplens.lenskit.util - package org.grouplens.lenskit.util: Utility classes used by the rest of LensKit.
org.grouplens.lenskit.util.io - package org.grouplens.lenskit.util.io: I/O utilitises.
org.grouplens.lenskit.util.parallel - package org.grouplens.lenskit.util.parallel: Utilities for parallel computation.
org.grouplens.lenskit.util.statistics - package org.grouplens.lenskit.util.statistics: Statistical utilities.
org.grouplens.lenskit.util.table - package org.grouplens.lenskit.util.table
org.grouplens.lenskit.util.table.writer - package org.grouplens.lenskit.util.table.writer: Utilities for writing two-dimensional tables of data.
org.grouplens.lenskit.vectors - package org.grouplens.lenskit.vectors: Sparse vectors and their operations.
org.grouplens.lenskit.vectors.similarity - package org.grouplens.lenskit.vectors.similarity: Similarity functions over vectors.
ORIGINAL_SCORE_SYMBOL - Static variable in class org.grouplens.lenskit.basic.RescoringItemRecommender
OutputPredictMetric - Class in org.grouplens.lenskit.eval.traintest: Predict metric that writes predictions to a file.
OutputPredictMetric(ExperimentOutputLayout, File, List<Pair<Symbol, String>>) - Constructor for class org.grouplens.lenskit.eval.traintest.OutputPredictMetric
OutputPredictMetric.Context - Class in org.grouplens.lenskit.eval.traintest
OutputPredictMetric.Factory - Class in org.grouplens.lenskit.eval.traintest
OutputPredictMetric.FactoryBuilder - Class in org.grouplens.lenskit.eval.traintest: Configure the prediction output.
OutputTopNMetric - Class in org.grouplens.lenskit.eval.traintest: Top-N metric that writes recommendations to a file.
OutputTopNMetric(ExperimentOutputLayout, File, int, ItemSelector, ItemSelector) - Constructor for class org.grouplens.lenskit.eval.traintest.OutputTopNMetric
OutputTopNMetric.Context - Class in org.grouplens.lenskit.eval.traintest
OutputTopNMetric.Factory - Class in org.grouplens.lenskit.eval.traintest
OutputTopNMetric.FactoryBuilder - Class in org.grouplens.lenskit.eval.traintest: Configure the prediction output.

P

pack(EventDAO) - Static method in class org.grouplens.lenskit.data.snapshot.PackedPreferenceSnapshot
packed(File, BinaryFormatFlag...) - Static method in class org.grouplens.lenskit.eval.data.RatingWriters: Write ratings to a packed file.
packed(File, EnumSet<BinaryFormatFlag>) - Static method in class org.grouplens.lenskit.eval.data.RatingWriters: Write ratings to a packed file.
PackedDataSource - Class in org.grouplens.lenskit.data.source: Data source backed by a packed rating file.
PackedDataSource(String, File, PreferenceDomain) - Constructor for class org.grouplens.lenskit.data.source.PackedDataSource
PackedDataSourceBuilder - Class in org.grouplens.lenskit.data.source: Builder for PackedDataSources.
PackedDataSourceBuilder() - Constructor for class org.grouplens.lenskit.data.source.PackedDataSourceBuilder
PackedDataSourceBuilder(String) - Constructor for class org.grouplens.lenskit.data.source.PackedDataSourceBuilder
PackedDataSourceBuilder(File) - Constructor for class org.grouplens.lenskit.data.source.PackedDataSourceBuilder
PackedPreferenceSnapshot - Class in org.grouplens.lenskit.data.snapshot: An in-memory snapshot of rating data stored in packed arrays.
PackedPreferenceSnapshotBuilder - Class in org.grouplens.lenskit.data.snapshot: A Factory that creates PackedRatingBuildSnapshots from an opened DataAccessObject.
PackedPreferenceSnapshotBuilder(EventDAO, Random) - Constructor for class org.grouplens.lenskit.data.snapshot.PackedPreferenceSnapshotBuilder
PackedScoredIdList - Class in org.grouplens.lenskit.scored: A space-efficient, unboxed list of scored IDs.
packedSet(Collection<Long>) - Static method in class org.grouplens.lenskit.collections.LongUtils: Pack longs into a sorted set.
packedSet(long...) - Static method in class org.grouplens.lenskit.collections.LongUtils: Pack longs into a sorted set.
PackRatings - Class in org.grouplens.lenskit.cli: Pack ratings data into a rating file.
PackRatings(Namespace) - Constructor for class org.grouplens.lenskit.cli.PackRatings
PackTask - Class in org.grouplens.lenskit.eval.data.pack: Pack data sets.
PackTask() - Constructor for class org.grouplens.lenskit.eval.data.pack.PackTask
pairLeft() - Static method in class org.grouplens.lenskit.util.Functional
pairRight() - Static method in class org.grouplens.lenskit.util.Functional
Parameter - Annotation Type in org.grouplens.lenskit.core: Annotation for component parameters.
parse(String) - Method in class org.grouplens.lenskit.data.text.DelimitedColumnEventFormat
parse(String, Object) - Method in class org.grouplens.lenskit.data.text.DelimitedColumnEventFormat
parse(String) - Method in interface org.grouplens.lenskit.data.text.EventFormat: Parse a line into an event.
parse(String, Object) - Method in interface org.grouplens.lenskit.data.text.EventFormat: Parse using a context.
parse(String...) - Static method in class org.grouplens.lenskit.eval.cli.EvalCLIOptions
partition(List<E>) - Method in class org.grouplens.lenskit.eval.data.crossfold.FractionPartition
partition(List<Rating>, Random) - Method in class org.grouplens.lenskit.eval.data.crossfold.Holdout
partition(List<E>) - Method in class org.grouplens.lenskit.eval.data.crossfold.HoldoutNPartition
partition(List<E>) - Method in interface org.grouplens.lenskit.eval.data.crossfold.PartitionAlgorithm: Compute a partition of some data.
partition(List<E>) - Method in class org.grouplens.lenskit.eval.data.crossfold.RetainNPartition
PartitionAlgorithm<E> - Interface in org.grouplens.lenskit.eval.data.crossfold: Partitioning algorithmInfo for an ordered sequence of stuff.
PearsonCorrelation - Class in org.grouplens.lenskit.vectors.similarity: Similarity function using Pearson correlation.
PearsonCorrelation() - Constructor for class org.grouplens.lenskit.vectors.similarity.PearsonCorrelation
PearsonCorrelation(double) - Constructor for class org.grouplens.lenskit.vectors.similarity.PearsonCorrelation
perform() - Method in class org.grouplens.lenskit.eval.AbstractTask
perform() - Method in class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask: Run the crossfold command.
perform() - Method in class org.grouplens.lenskit.eval.data.pack.PackTask
perform() - Method in class org.grouplens.lenskit.eval.data.subsample.SubsampleTask: Run the Subsample command.
perform() - Method in class org.grouplens.lenskit.eval.graph.DumpGraphTask
perform() - Method in class org.grouplens.lenskit.eval.script.GroovyActionTask
perform(Closure<K>) - Method in class org.grouplens.lenskit.eval.script.TargetDelegate
perform() - Method in class org.grouplens.lenskit.eval.TrainModelTask
perform() - Method in class org.grouplens.lenskit.eval.traintest.TrainTestEvalTask: Run the evaluation on the train test data source files
PlaceholderSatisfaction - Class in org.grouplens.lenskit.inject: A placeholder satisfaction for graph rewriting.
PlaceholderSatisfaction(Class<?>) - Constructor for class org.grouplens.lenskit.inject.PlaceholderSatisfaction
poll() - Method in class org.grouplens.lenskit.cursors.AbstractPollingCursor: Return the next element in this Cursor, or null if there are no more elements.
poll() - Method in class org.grouplens.lenskit.data.dao.DelimitedTextRatingCursor: Deprecated.
poll() - Method in class org.grouplens.lenskit.util.LineCursor
precision - Variable in class org.grouplens.lenskit.eval.metrics.topn.PrecisionRecallTopNMetric.Result
PrecisionRecallTopNMetric - Class in org.grouplens.lenskit.eval.metrics.topn: A metric to compute the precision and recall of a recommender given a set of candidate items to recommend from and a set of desired items.
PrecisionRecallTopNMetric(String, String, int, ItemSelector, ItemSelector, ItemSelector) - Constructor for class org.grouplens.lenskit.eval.metrics.topn.PrecisionRecallTopNMetric: Construct a new recall and precision top n metric
PrecisionRecallTopNMetric.Builder - Class in org.grouplens.lenskit.eval.metrics.topn
PrecisionRecallTopNMetric.Context - Class in org.grouplens.lenskit.eval.metrics.topn
PrecisionRecallTopNMetric.Result - Class in org.grouplens.lenskit.eval.metrics.topn
PrecomputedItemScorer - Class in org.grouplens.lenskit.basic: An item scorer that stores a precomputed map of item scores.
PrecomputedItemScorer.Builder - Class in org.grouplens.lenskit.basic: Builder for mock item scorers.
predict(long, Collection<Long>) - Method in class org.grouplens.lenskit.basic.AbstractRatingPredictor: Predict the user's preference for a collection of items.
predict(long, long) - Method in class org.grouplens.lenskit.basic.AbstractRatingPredictor: Predict a user's rating for a single item.
predict(long, MutableSparseVector) - Method in class org.grouplens.lenskit.basic.SimpleRatingPredictor
Predict - Class in org.grouplens.lenskit.cli: Predict item ratings for a user.
Predict(Namespace) - Constructor for class org.grouplens.lenskit.cli.Predict
predict(long, MutableSparseVector) - Method in class org.grouplens.lenskit.predict.KnownRatingRatingPredictor
predict(long, MutableSparseVector) - Method in class org.grouplens.lenskit.predict.ordrec.OrdRecRatingPredictor
predict(long, long) - Method in interface org.grouplens.lenskit.RatingPredictor: Predict a user's rating for a single item.
predict(long, Collection<Long>) - Method in interface org.grouplens.lenskit.RatingPredictor: Predict the user's preference for a collection of items.
predict(long, MutableSparseVector) - Method in interface org.grouplens.lenskit.RatingPredictor: Predict for items in a vector.
predict(long, MutableSparseVector) - Method in class org.grouplens.lenskit.transform.quantize.QuantizedRatingPredictor
PREDICTION_SOURCE_SYMBOL - Static variable in class org.grouplens.lenskit.basic.SimpleRatingPredictor
predictionEntropy - Variable in class org.grouplens.lenskit.eval.metrics.predict.EntropyPredictMetric.EntropyResult
prefDomain(Map<String, Object>) - Method in class org.grouplens.lenskit.config.BindingDSL: Make a preference domain.
Preference - Interface in org.grouplens.lenskit.data.pref: A real-valued preference a user has for an item.
PreferenceBuilder - Class in org.grouplens.lenskit.data.pref: Build a preference.
PreferenceBuilder() - Constructor for class org.grouplens.lenskit.data.pref.PreferenceBuilder
PreferenceDomain - Class in org.grouplens.lenskit.data.pref: An object describing the domain of preference data, used in ratings and predictions.
PreferenceDomain(double, double, double) - Constructor for class org.grouplens.lenskit.data.pref.PreferenceDomain: Create a discrete bounded preference domain.
PreferenceDomain(double, double) - Constructor for class org.grouplens.lenskit.data.pref.PreferenceDomain: Create a continuous bounded preference domain.
PreferenceDomainBuilder - Class in org.grouplens.lenskit.data.pref: Build a PreferenceDomain.
PreferenceDomainBuilder() - Constructor for class org.grouplens.lenskit.data.pref.PreferenceDomainBuilder: Create an uninitialized preference domain builder.
PreferenceDomainBuilder(double, double) - Constructor for class org.grouplens.lenskit.data.pref.PreferenceDomainBuilder: Create a preference domain builder with a specified minimum and maximum.
PreferenceDomainQuantizer - Class in org.grouplens.lenskit.transform.quantize: Quantizer that uses a range and precision to determine discrete values.
PreferenceDomainQuantizer(PreferenceDomain) - Constructor for class org.grouplens.lenskit.transform.quantize.PreferenceDomainQuantizer: Create a new quantizer from a discrete preference domain.
PreferenceDomainQuantizer(double, double, double) - Constructor for class org.grouplens.lenskit.transform.quantize.PreferenceDomainQuantizer: Create a new preference domain quantizer.
PreferenceDomainQuantizer.AutoProvider - Class in org.grouplens.lenskit.transform.quantize
Preferences - Class in org.grouplens.lenskit.data.pref: Utility class for working with preferences.
PreferenceSnapshot - Interface in org.grouplens.lenskit.data.snapshot: Snapshot of the ratings data for building a recommender.
PrefetchingItemDAO - Class in org.grouplens.lenskit.data.dao: Item DAO that streams the events to get item information.
PrefetchingItemDAO(EventDAO) - Constructor for class org.grouplens.lenskit.data.dao.PrefetchingItemDAO
PrefetchingItemEventDAO - Class in org.grouplens.lenskit.data.dao: Item event DAO that pre-loads all events from an event DAO.
PrefetchingItemEventDAO(EventDAO) - Constructor for class org.grouplens.lenskit.data.dao.PrefetchingItemEventDAO
PrefetchingUserDAO - Class in org.grouplens.lenskit.data.dao: User DAO that streams the events to get user information.
PrefetchingUserDAO(EventDAO) - Constructor for class org.grouplens.lenskit.data.dao.PrefetchingUserDAO
PrefetchingUserEventDAO - Class in org.grouplens.lenskit.data.dao: User event DAO that pre-loads all events from an event DAO.
PrefetchingUserEventDAO(EventDAO) - Constructor for class org.grouplens.lenskit.data.dao.PrefetchingUserEventDAO
prefix - Variable in class org.grouplens.lenskit.eval.metrics.topn.TopNMetricBuilder
prefixed(TableWriter, List<?>) - Static method in class org.grouplens.lenskit.util.table.writer.TableWriters: Create a table writer that writes data with common leading columns to an underlying table writer.
prefixed(TableWriter, Object...) - Static method in class org.grouplens.lenskit.util.table.writer.TableWriters: Create a table writer that writes data with common leading columns to an underlying table writer.
prepare(int, double, double, double, double, double) - Method in class org.grouplens.lenskit.mf.funksvd.FunkSVDUpdater: Prepare the updater for updating the feature values for a particular user/item ID.
prepareEvents(SortOrder) - Method in class org.grouplens.lenskit.data.sql.BasicSQLStatementFactory
prepareEvents(SortOrder) - Method in interface org.grouplens.lenskit.data.sql.SQLStatementFactory: Prepare a statement to satisfy EventDAO.streamEvents(Class, SortOrder).
prepareItemEvents() - Method in class org.grouplens.lenskit.data.sql.BasicSQLStatementFactory
prepareItemEvents() - Method in interface org.grouplens.lenskit.data.sql.SQLStatementFactory: Prepare a statement to satisfy ItemEventDAO.getEventsForItem(long).
prepareItems() - Method in class org.grouplens.lenskit.data.sql.BasicSQLStatementFactory
prepareItems() - Method in interface org.grouplens.lenskit.data.sql.SQLStatementFactory: Prepare a statement to satisfy ItemDAO.getItemIds().
prepareItemUsers() - Method in class org.grouplens.lenskit.data.sql.BasicSQLStatementFactory
prepareItemUsers() - Method in interface org.grouplens.lenskit.data.sql.SQLStatementFactory: Prepare a statement to satisfy ItemEventDAO.getUsersForItem(long).
prepareUserEvents() - Method in class org.grouplens.lenskit.data.sql.BasicSQLStatementFactory
prepareUserEvents() - Method in interface org.grouplens.lenskit.data.sql.SQLStatementFactory: Prepare a statement to satisfy UserEventDAO.getEventsForUser(long).
prepareUsers() - Method in class org.grouplens.lenskit.data.sql.BasicSQLStatementFactory
prepareUsers() - Method in interface org.grouplens.lenskit.data.sql.SQLStatementFactory: Prepare a statement to satisfy UserDAO.getUserIds().
previousInt() - Method in class org.grouplens.lenskit.collections.BitSetIterator
PrimaryScorer - Annotation Type in org.grouplens.lenskit.baseline: The primary scorer for a FallbackItemScorer.
process(Set<? extends TypeElement>, RoundEnvironment) - Method in class org.grouplens.lenskit.core.LenskitAnnotationProcessor
processNode(DAGNode<Component, Dependency>, DAGNode<Component, Dependency>) - Method in interface org.grouplens.lenskit.inject.NodeProcessor: Process a graph node.
processNodes(DAGNode<Component, Dependency>, Collection<DAGNode<Component, Dependency>>, NodeProcessor) - Static method in class org.grouplens.lenskit.inject.NodeProcessors: Process a set of nodes in a graph using a node processor.
properties - Variable in class org.grouplens.lenskit.eval.script.EvalScriptEngine
propertyMissing(String) - Method in class org.grouplens.lenskit.eval.script.DefaultConfigDelegate
propertyMissing(String, Object) - Method in class org.grouplens.lenskit.eval.script.DefaultConfigDelegate
Provider(ItemScorer, ItemScorer, PreferenceDomain) - Constructor for class org.grouplens.lenskit.basic.SimpleRatingPredictor.Provider: Construct an automatic provider.
Provider(ItemDAO, GlobalItemScorer) - Constructor for class org.grouplens.lenskit.basic.TopNGlobalItemRecommender.Provider
Provider(UserEventDAO, ItemDAO, ItemScorer) - Constructor for class org.grouplens.lenskit.basic.TopNItemRecommender.Provider
put(long, double) - Method in class org.grouplens.lenskit.util.IdMeanAccumulator: Accumulate a value with an ID.
put(String, String) - Method in class org.grouplens.lenskit.util.LogContext: Set a key in the MDC environment.
put(long, double) - Method in interface org.grouplens.lenskit.util.ScoredItemAccumulator: Put a new item in the accumulator.
put(long, double) - Method in class org.grouplens.lenskit.util.TopNScoredItemAccumulator
put(long, double) - Method in class org.grouplens.lenskit.util.UnlimitedScoredItemAccumulator
putField(String, Object) - Method in class org.grouplens.lenskit.util.io.AbstractDescriptionWriter
putField(String, String) - Method in interface org.grouplens.lenskit.util.io.DescriptionWriter: Put a field into the description.
putField(String, long) - Method in interface org.grouplens.lenskit.util.io.DescriptionWriter: Put an integer field.
putField(String, double) - Method in interface org.grouplens.lenskit.util.io.DescriptionWriter: Put a floating-point field.
putField(String, byte[]) - Method in interface org.grouplens.lenskit.util.io.DescriptionWriter: Put a byte array field.
putField(String, Object) - Method in interface org.grouplens.lenskit.util.io.DescriptionWriter: Put an object field into the description.
putField(String, T, Describer<? super T>) - Method in interface org.grouplens.lenskit.util.io.DescriptionWriter: Put an object field into the description.
putField(String, String) - Method in class org.grouplens.lenskit.util.io.HashDescriptionWriter
putField(String, long) - Method in class org.grouplens.lenskit.util.io.HashDescriptionWriter
putField(String, double) - Method in class org.grouplens.lenskit.util.io.HashDescriptionWriter
putField(String, byte[]) - Method in class org.grouplens.lenskit.util.io.HashDescriptionWriter
putField(String, T, Describer<? super T>) - Method in class org.grouplens.lenskit.util.io.HashDescriptionWriter
putField(String, String) - Method in class org.grouplens.lenskit.util.io.StringDescriptionWriter
putField(String, long) - Method in class org.grouplens.lenskit.util.io.StringDescriptionWriter
putField(String, double) - Method in class org.grouplens.lenskit.util.io.StringDescriptionWriter
putField(String, byte[]) - Method in class org.grouplens.lenskit.util.io.StringDescriptionWriter
putField(String, T, Describer<? super T>) - Method in class org.grouplens.lenskit.util.io.StringDescriptionWriter
putItemPair(long, SparseVector, long, SparseVector) - Method in class org.grouplens.lenskit.slopeone.SlopeOneModelDataAccumulator: Puts the item pair into the accumulator.
putList(String, Iterable<?>) - Method in class org.grouplens.lenskit.util.io.AbstractDescriptionWriter
putList(String, Iterable<?>) - Method in interface org.grouplens.lenskit.util.io.DescriptionWriter: Put a field with a list of values, using the default describer.
putList(String, Iterable<T>, Describer<? super T>) - Method in interface org.grouplens.lenskit.util.io.DescriptionWriter: Put a field with a list of values.
putList(String, Iterable<T>, Describer<? super T>) - Method in class org.grouplens.lenskit.util.io.HashDescriptionWriter
putList(String, Iterable<T>, Describer<? super T>) - Method in class org.grouplens.lenskit.util.io.StringDescriptionWriter

Q

quantize(double) - Method in interface org.grouplens.lenskit.transform.quantize.Quantizer: Convert a value into a quantized value, returning the quantized value.
quantize(double) - Method in class org.grouplens.lenskit.transform.quantize.ValueArrayQuantizer
QuantizedRatingPredictor - Class in org.grouplens.lenskit.transform.quantize: A rating predictor wrapper that quantizes predictions.
QuantizedRatingPredictor(ItemScorer, ItemScorer, Quantizer) - Constructor for class org.grouplens.lenskit.transform.quantize.QuantizedRatingPredictor: Construct a new quantized predictor.
Quantizer - Interface in org.grouplens.lenskit.transform.quantize: Quantize real values into discrete values.
QueryData - Annotation Type in org.grouplens.lenskit.eval.data.traintest: Qualifier to access query data available.
QueryKey - Class in org.grouplens.lenskit.data.sql: Key type for caching JDBC queries.
QueryKey.Type - Enum in org.grouplens.lenskit.data.sql

R

RandomOrder<E> - Class in org.grouplens.lenskit.eval.data.crossfold: Ordering that randomizes the list.
RandomOrder() - Constructor for class org.grouplens.lenskit.eval.data.crossfold.RandomOrder
RandomProvider - Class in org.grouplens.lenskit.util: Provide a Random instance.
RandomProvider() - Constructor for class org.grouplens.lenskit.util.RandomProvider
randomSubset(LongSet, int, Random) - Static method in class org.grouplens.lenskit.collections.LongUtils: Selects a random subset of n longs from a given set of longs.
randomSubset(LongSet, int, LongSet, Random) - Static method in class org.grouplens.lenskit.collections.LongUtils: Selects a random subset of n longs from a given set of longs such that no selected items is in a second set of longs.
randomSubset(ItemSelector, int) - Static method in class org.grouplens.lenskit.eval.metrics.topn.ItemSelectors: Randomly select items selected by another selector.
rank - Variable in class org.grouplens.lenskit.eval.metrics.topn.MRRTopNMetric.UserResult
Rating - Interface in org.grouplens.lenskit.data.event: A rating is an expression of preference for an item by a user.
rating() - Static method in class org.grouplens.lenskit.data.text.Fields: The rating field.
RATING_PROBABILITY_CHANNEL - Static variable in class org.grouplens.lenskit.predict.ordrec.OrdRecRatingPredictor
RatingBuilder - Class in org.grouplens.lenskit.data.event: Build a Rating.
RatingBuilder() - Constructor for class org.grouplens.lenskit.data.event.RatingBuilder: Create an uninitialized rating builder.
ratingEntropy - Variable in class org.grouplens.lenskit.eval.metrics.predict.EntropyPredictMetric.EntropyResult
RatingEventType - Class in org.grouplens.lenskit.data.text: Event type for Ratings.
RatingEventType() - Constructor for class org.grouplens.lenskit.data.text.RatingEventType
RatingFile - Annotation Type in org.grouplens.lenskit.data.dao: Rating file for SimpleFileRatingDAO.
RatingPredictor - Interface in org.grouplens.lenskit: Predict user ratings.
RatingPredictorItemScorer - Class in org.grouplens.lenskit.predict: Item scorer that uses rating predictions.
RatingPredictorItemScorer(RatingPredictor) - Constructor for class org.grouplens.lenskit.predict.RatingPredictorItemScorer
RatingRangeClampingFunction - Class in org.grouplens.lenskit.transform.clamp: Clamp values to the range of valid ratings.
RatingRangeClampingFunction(PreferenceDomain) - Constructor for class org.grouplens.lenskit.transform.clamp.RatingRangeClampingFunction
Ratings - Class in org.grouplens.lenskit.data.event: Utilities for working with ratings.
Ratings() - Constructor for class org.grouplens.lenskit.data.event.Ratings
ratings(File, String) - Static method in class org.grouplens.lenskit.data.text.TextEventDAO: Open a rating DAO with the default layout and automatic compression.
ratings(File, String, CompressionMode) - Static method in class org.grouplens.lenskit.data.text.TextEventDAO: Open a potentially-compressed file of ratings.
RatingSnapshotDAO - Class in org.grouplens.lenskit.data.dao.packed: A DAO that has a snapshot of the rating data.
RatingSnapshotDAO.Builder - Class in org.grouplens.lenskit.data.dao.packed
RatingVectorUserHistorySummarizer - Class in org.grouplens.lenskit.data.history: Summarize a history by extracting a rating vector.
RatingVectorUserHistorySummarizer() - Constructor for class org.grouplens.lenskit.data.history.RatingVectorUserHistorySummarizer
RatingWriter - Interface in org.grouplens.lenskit.eval.data: Interface for writing ratings.
RatingWriters - Class in org.grouplens.lenskit.eval.data
readBuffer(ReadableByteChannel, ByteBuffer) - Static method in class org.grouplens.lenskit.data.dao.packed.BinaryUtils: Read a buffer completely from a channel.
readBuffer(FileChannel, ByteBuffer, long) - Static method in class org.grouplens.lenskit.data.dao.packed.BinaryUtils: Read a buffer completely from a position in a file.
readIdList(File) - Static method in class org.grouplens.lenskit.util.io.LKFileUtils: Read a list of long IDs from a file, one per line.
RealThreshold - Class in org.grouplens.lenskit.transform.threshold: Checks similarity values to ensure their real values are over the ThresholdValue.
RealThreshold(double) - Constructor for class org.grouplens.lenskit.transform.threshold.RealThreshold
recall - Variable in class org.grouplens.lenskit.eval.metrics.topn.IndependentRecallTopNMetric.Result
recall - Variable in class org.grouplens.lenskit.eval.metrics.topn.PrecisionRecallTopNMetric.Result
recommend(long) - Method in class org.grouplens.lenskit.basic.AbstractItemRecommender: Recommend all possible items for a user using the default exclude set.
recommend(long, int) - Method in class org.grouplens.lenskit.basic.AbstractItemRecommender: Recommend up to n items for a user using the default exclude set.
recommend(long, Set<Long>) - Method in class org.grouplens.lenskit.basic.AbstractItemRecommender: Recommend all possible items for a user from a set of candidates using the default exclude set.
recommend(long, int, Set<Long>, Set<Long>) - Method in class org.grouplens.lenskit.basic.AbstractItemRecommender: Produce a set of recommendations for the user.
recommend(long, int, LongSet, LongSet) - Method in class org.grouplens.lenskit.basic.AbstractItemRecommender: Implementation method for ID-based recommendation.
recommend(long) - Method in class org.grouplens.lenskit.basic.RescoringItemRecommender
recommend(long, int) - Method in class org.grouplens.lenskit.basic.RescoringItemRecommender
recommend(long, Set<Long>) - Method in class org.grouplens.lenskit.basic.RescoringItemRecommender
recommend(long, int, Set<Long>, Set<Long>) - Method in class org.grouplens.lenskit.basic.RescoringItemRecommender
recommend(int, SparseVector) - Method in class org.grouplens.lenskit.basic.TopNGlobalItemRecommender: Pick the top n items from a score vector.
recommend(long, int, LongSet, LongSet) - Method in class org.grouplens.lenskit.basic.TopNItemRecommender: Implement the ID-based recommendation in terms of the scorer.
recommend(int, SparseVector) - Method in class org.grouplens.lenskit.basic.TopNItemRecommender: Pick the top n items from a score vector.
Recommend - Class in org.grouplens.lenskit.cli: Generate Top-N recommendations for users.
Recommend(Namespace) - Constructor for class org.grouplens.lenskit.cli.Recommend
recommend(long) - Method in interface org.grouplens.lenskit.ItemRecommender: Recommend all possible items for a user using the default exclude set.
recommend(long, int) - Method in interface org.grouplens.lenskit.ItemRecommender: Recommend up to n items for a user using the default exclude set.
recommend(long, Set<Long>) - Method in interface org.grouplens.lenskit.ItemRecommender: Recommend all possible items for a user from a set of candidates using the default exclude set.
recommend(long, int, Set<Long>, Set<Long>) - Method in interface org.grouplens.lenskit.ItemRecommender: Produce a set of recommendations for the user.
Recommender - Interface in org.grouplens.lenskit: Main entry point for accessing recommender components.
RecommenderBuildException - Exception in org.grouplens.lenskit: Exception thrown when there is an error building a recommender.
RecommenderBuildException() - Constructor for exception org.grouplens.lenskit.RecommenderBuildException: Consruct a new recommender build exception.
RecommenderBuildException(String) - Constructor for exception org.grouplens.lenskit.RecommenderBuildException: Construct exception with a message.
RecommenderBuildException(String, Throwable) - Constructor for exception org.grouplens.lenskit.RecommenderBuildException: Construct exception with a message and cause.
RecommenderBuildException(Throwable) - Constructor for exception org.grouplens.lenskit.RecommenderBuildException: Construct an exception with a cause.
RecommenderConfigurationException - Exception in org.grouplens.lenskit.core: Error thrown when an error occurs resolving the recommender configuration graph.
RecommenderConfigurationException() - Constructor for exception org.grouplens.lenskit.core.RecommenderConfigurationException
RecommenderConfigurationException(String) - Constructor for exception org.grouplens.lenskit.core.RecommenderConfigurationException
RecommenderConfigurationException(String, Throwable) - Constructor for exception org.grouplens.lenskit.core.RecommenderConfigurationException
RecommenderConfigurationException(Throwable) - Constructor for exception org.grouplens.lenskit.core.RecommenderConfigurationException
RecommenderDiagramWriter - Class in org.grouplens.lenskit.eval.graph: Writes recommender diagrams to files.
RecommenderDiagramWriter() - Constructor for class org.grouplens.lenskit.eval.graph.RecommenderDiagramWriter
RecommenderEngine - Interface in org.grouplens.lenskit: Service providing access to a recommender.
RecommenderGraphBuilder - Class in org.grouplens.lenskit.inject: Build recommender graphs.
RecommenderGraphBuilder() - Constructor for class org.grouplens.lenskit.inject.RecommenderGraphBuilder
RecommenderInstantiator - Class in org.grouplens.lenskit.inject: Process a recommender graph to deal with its shareable nodes.
RecommenderLoader - Class in org.grouplens.lenskit.cli: Load recommenders from models or configurations.
RecommenderLoader(InputData, ScriptEnvironment, Namespace) - Constructor for class org.grouplens.lenskit.cli.RecommenderLoader
registerCommand(Class<T>, Class<? extends Builder>) - Method in class org.grouplens.lenskit.eval.script.EvalScriptEngine: Register a builder class for a type.
registerDep(Object, ListenableFuture<?>) - Method in class org.grouplens.lenskit.eval.script.ConfigMethodInvoker
RegularizationTerm - Annotation Type in org.grouplens.lenskit.iterative: The regularization factor applied in many iterative methods.
remove() - Method in class org.grouplens.lenskit.cursors.CursorIterator
remove(Object) - Method in class org.grouplens.lenskit.data.history.BasicItemEventList
remove(int) - Method in class org.grouplens.lenskit.data.history.BasicItemEventList
removeAll(Collection<?>) - Method in class org.grouplens.lenskit.data.history.BasicItemEventList
removeAllChannels() - Method in class org.grouplens.lenskit.vectors.MutableSparseVector: Remove all channels stored in this vector.
removeChannel(TypedSymbol<K>) - Method in class org.grouplens.lenskit.vectors.MutableSparseVector: Remove the typed channel stored under a particular symbol.
removeChannelVector(Symbol) - Method in class org.grouplens.lenskit.vectors.MutableSparseVector: Remove the channel stored under a particular symbol.
removeLong(int) - Method in class org.grouplens.lenskit.collections.CompactableLongArrayList
renderGraph(DAGNode<Component, Dependency>, File) - Static method in class org.grouplens.lenskit.eval.graph.GraphDumper: Render a graph to a file.
repeat(T, int) - Static method in class org.grouplens.lenskit.collections.CollectionUtils: Return a list that repeats a single object multiple times.
reportError(Throwable, String, Object...) - Method in class org.grouplens.lenskit.eval.cli.EvalCLI: Deprecated.
ReportRatingDistribution - Annotation Type in org.grouplens.lenskit.predict.ordrec: Control whether the OrdRec predictor reports full probability distributions as side channels.
requires(Object...) - Method in class org.grouplens.lenskit.eval.script.TargetDelegate
RescoringItemRecommender - Class in org.grouplens.lenskit.basic: Item recommender that wraps another item recommender and replaces its scores.
RescoringItemRecommender(ItemRecommender, ItemScorer) - Constructor for class org.grouplens.lenskit.basic.RescoringItemRecommender: Create a new rescoring item recommender.
reset() - Method in interface org.grouplens.lenskit.data.event.EventBuilder: Clear the rating builder, as if it were freshly instantiated..
reset() - Method in class org.grouplens.lenskit.data.event.LikeBatchBuilder
reset() - Method in class org.grouplens.lenskit.data.event.LikeBuilder
reset() - Method in class org.grouplens.lenskit.data.event.RatingBuilder
reset() - Method in class org.grouplens.lenskit.util.statistics.MutualInformationAccumulator: Reset to start accumulating again.
resetStatistics() - Method in class org.grouplens.lenskit.mf.funksvd.FunkSVDUpdater: Reset the statistics and counters tracked by this updater.
resolveClass(ObjectStreamClass) - Method in class org.grouplens.lenskit.util.io.CustomClassLoaderObjectInputStream
Result(double) - Constructor for class org.grouplens.lenskit.eval.metrics.predict.HLUtilityPredictMetric.Result
Result(double) - Constructor for class org.grouplens.lenskit.eval.metrics.predict.NDCGPredictMetric.Result
Result(double) - Constructor for class org.grouplens.lenskit.eval.metrics.topn.IndependentRecallTopNMetric.Result
Result(double) - Constructor for class org.grouplens.lenskit.eval.metrics.topn.NDCGTopNMetric.Result
Result(double, double) - Constructor for class org.grouplens.lenskit.eval.metrics.topn.PrecisionRecallTopNMetric.Result
Result(double) - Constructor for class org.grouplens.lenskit.eval.metrics.topn.TopNEntropyMetric.Result
Result(double) - Constructor for class org.grouplens.lenskit.eval.metrics.topn.TopNLengthMetric.Result
Result(double) - Constructor for class org.grouplens.lenskit.eval.metrics.topn.TopNPopularityMetric.Result
ResultColumn - Annotation Type in org.grouplens.lenskit.eval.metrics: Specify the information for a column method in a metric response type.
ResultConverter<T> - Class in org.grouplens.lenskit.eval.metrics: Utility class for converting typed results into row data for table writers.
retain(double) - Method in class org.grouplens.lenskit.transform.threshold.AbsoluteThreshold
retain(double) - Method in class org.grouplens.lenskit.transform.threshold.NoThreshold
retain(double) - Method in class org.grouplens.lenskit.transform.threshold.RealThreshold
retain(double) - Method in interface org.grouplens.lenskit.transform.threshold.Threshold: Checks a similarity value against retention criteria for inclusion in similarity models.
retainAll(Collection<?>) - Method in class org.grouplens.lenskit.data.history.BasicItemEventList
RetainNPartition<E> - Class in org.grouplens.lenskit.eval.data.crossfold: Partition the event list by retaining a fixed number of elements.
RetainNPartition(int) - Constructor for class org.grouplens.lenskit.eval.data.crossfold.RetainNPartition: Create a count partitioner.
returnValue - Variable in class org.grouplens.lenskit.eval.EvalTarget
RMSEPredictMetric - Class in org.grouplens.lenskit.eval.metrics.predict: Evaluate a recommender's prediction accuracy with RMSE.
RMSEPredictMetric() - Constructor for class org.grouplens.lenskit.eval.metrics.predict.RMSEPredictMetric
RMSEPredictMetric.AggregateResult - Class in org.grouplens.lenskit.eval.metrics.predict
RMSEPredictMetric.Context - Class in org.grouplens.lenskit.eval.metrics.predict
RMSEPredictMetric.UserResult - Class in org.grouplens.lenskit.eval.metrics.predict
root(Class<?>) - Method in class org.grouplens.lenskit.config.LenskitConfigDSL: Add a root type.
Row - Interface in org.grouplens.lenskit.util.table: One row of a data table.
rqAddOrder(StringBuilder, SortOrder) - Method in class org.grouplens.lenskit.data.sql.BasicSQLStatementFactory: Add an ORDER BY clause to a query.
rqAddSelectFrom(StringBuilder) - Method in class org.grouplens.lenskit.data.sql.BasicSQLStatementFactory: Add the SELECT and FROM clauses to the query.
rqFinish(StringBuilder) - Method in class org.grouplens.lenskit.data.sql.BasicSQLStatementFactory: Finish a query (append a semicolon).
rule - Variable in class org.grouplens.lenskit.mf.funksvd.FunkSVDModelBuilder
run() - Method in class org.grouplens.lenskit.eval.cli.EvalCLI: Deprecated.
run() - Method in class org.grouplens.lenskit.eval.script.EvalScript
run() - Method in class org.grouplens.lenskit.util.io.LoggingStreamSlurper
runScript(File, EvalProject) - Method in class org.grouplens.lenskit.eval.script.EvalScriptEngine: Run a script from a file.
runScript(Reader, EvalProject) - Method in class org.grouplens.lenskit.eval.script.EvalScriptEngine: Run a script from a reader.
runScript(EvalScript, EvalProject) - Method in class org.grouplens.lenskit.eval.script.EvalScriptEngine: Run an evaluation config script and get the evaluations it produces.
RuntimeUpdate - Annotation Type in org.grouplens.lenskit.mf.funksvd: Qualifier for the update rule used at runtime.

S

scale(double) - Method in class org.grouplens.lenskit.vectors.MutableVec: Deprecated.

Scale this vector.
score(long, long) - Method in class org.grouplens.lenskit.baseline.ConstantItemScorer
score(long, Collection<Long>) - Method in class org.grouplens.lenskit.baseline.ConstantItemScorer
score(long, MutableSparseVector) - Method in class org.grouplens.lenskit.baseline.ConstantItemScorer
score(long, MutableSparseVector) - Method in class org.grouplens.lenskit.baseline.FallbackItemScorer
score(long, MutableSparseVector) - Method in class org.grouplens.lenskit.baseline.ItemMeanRatingItemScorer
score(long, MutableSparseVector) - Method in class org.grouplens.lenskit.baseline.LeastSquaresItemScorer
score(long, MutableSparseVector) - Method in class org.grouplens.lenskit.baseline.UserMeanItemScorer
score(long, Collection<Long>) - Method in class org.grouplens.lenskit.basic.AbstractItemScorer: Score a collection of items.
score(long, long) - Method in class org.grouplens.lenskit.basic.AbstractItemScorer: Score a single item.
score(long, MutableSparseVector) - Method in class org.grouplens.lenskit.basic.PrecomputedItemScorer
score(long, MutableSparseVector) - Method in class org.grouplens.lenskit.basic.SimpleCachingItemScorer: For each input, check with the cached user id.
score(long, long) - Method in interface org.grouplens.lenskit.ItemScorer: Score a single item.
score(long, Collection<Long>) - Method in interface org.grouplens.lenskit.ItemScorer: Score a collection of items.
score(long, MutableSparseVector) - Method in interface org.grouplens.lenskit.ItemScorer: Score items in a vector.
score(long, MutableSparseVector) - Method in class org.grouplens.lenskit.knn.item.ItemItemScorer: Score items by computing predicted ratings.
score(long, SparseVector, SparseVector) - Method in interface org.grouplens.lenskit.knn.item.NeighborhoodScorer: Compute a score based on similar neighbors and their corresponding scores.
score(long, SparseVector, SparseVector) - Method in class org.grouplens.lenskit.knn.item.SimilaritySumNeighborhoodScorer
score(long, SparseVector, SparseVector) - Method in class org.grouplens.lenskit.knn.item.WeightedAverageNeighborhoodScorer
score(long, MutableSparseVector) - Method in class org.grouplens.lenskit.knn.user.UserUserItemScorer
score(long, MutableSparseVector) - Method in class org.grouplens.lenskit.mf.funksvd.FunkSVDItemScorer
score(long, MutableSparseVector) - Method in class org.grouplens.lenskit.mf.svd.BiasedMFItemScorer
score(long, long) - Method in class org.grouplens.lenskit.predict.RatingPredictorItemScorer
score(long, Collection<Long>) - Method in class org.grouplens.lenskit.predict.RatingPredictorItemScorer
score(long, MutableSparseVector) - Method in class org.grouplens.lenskit.predict.RatingPredictorItemScorer
score(long, MutableSparseVector) - Method in class org.grouplens.lenskit.slopeone.SlopeOneItemScorer
score(long, MutableSparseVector) - Method in class org.grouplens.lenskit.slopeone.WeightedSlopeOneItemScorer
SCORE_SOURCE_SYMBOL - Static variable in class org.grouplens.lenskit.baseline.FallbackItemScorer
ScoredId - Interface in org.grouplens.lenskit.scored: A numerical ID associated with a score and optional side channels.
ScoredIdBuilder - Class in org.grouplens.lenskit.scored: Use a ScoredId.Builder to instantiate new ScoredId objects.
ScoredIdBuilder() - Constructor for class org.grouplens.lenskit.scored.ScoredIdBuilder: Create a ScoredIdBuilder.
ScoredIdBuilder(long) - Constructor for class org.grouplens.lenskit.scored.ScoredIdBuilder: Create a ScoredIdBuilder.
ScoredIdBuilder(long, double) - Constructor for class org.grouplens.lenskit.scored.ScoredIdBuilder: Create a ScoredIdBuilder.
ScoredIdListBuilder - Class in org.grouplens.lenskit.scored: Builder for packed lists of scored ids.
ScoredIdListBuilder() - Constructor for class org.grouplens.lenskit.scored.ScoredIdListBuilder
ScoredIdListBuilder(int) - Constructor for class org.grouplens.lenskit.scored.ScoredIdListBuilder
ScoredIds - Class in org.grouplens.lenskit.scored: Utility classes for working with scored IDs.
ScoredItemAccumulator - Interface in org.grouplens.lenskit.util: Accumulate a sorted list of scored items.
scoreItems(ItemItemModel, SparseVector, MutableSparseVector, NeighborhoodScorer) - Method in class org.grouplens.lenskit.knn.item.DefaultItemScoreAlgorithm
scoreItems(ItemItemModel, SparseVector, MutableSparseVector, NeighborhoodScorer) - Method in interface org.grouplens.lenskit.knn.item.ItemScoreAlgorithm: Score items for a user.
scoreOrder() - Static method in class org.grouplens.lenskit.scored.ScoredIds: An ordering (comparator) that compares IDs by score.
scorer - Variable in class org.grouplens.lenskit.basic.TopNGlobalItemRecommender
scorer - Variable in class org.grouplens.lenskit.basic.TopNItemRecommender
scorer - Variable in class org.grouplens.lenskit.knn.item.ItemItemGlobalScorer
scorer - Variable in class org.grouplens.lenskit.knn.item.ItemItemScorer
ScoreSource - Enum in org.grouplens.lenskit.baseline: Enum expressing where a score came from in recommender that uses a baseline fallback.
SCRIPT_DIR_PROPERTY - Static variable in class org.grouplens.lenskit.eval.EvalConfig
ScriptEnvironment - Class in org.grouplens.lenskit.cli: Class managing environments for running various scripts and classes.
ScriptEnvironment(Namespace) - Constructor for class org.grouplens.lenskit.cli.ScriptEnvironment
select(TestUser) - Method in interface org.grouplens.lenskit.eval.metrics.topn.ItemSelector: Select a set of items.
serializeFunnel() - Static method in class org.grouplens.lenskit.util.Functional: A Funnel that serializes an object to the sink.
serialVersionUID - Static variable in class org.grouplens.lenskit.data.dao.packed.BinaryRatingDAO.Loader
serialVersionUID - Static variable in class org.grouplens.lenskit.data.pref.PreferenceDomain
set(int, long) - Method in class org.grouplens.lenskit.collections.CompactableLongArrayList
set(Class<? extends Annotation>) - Method in class org.grouplens.lenskit.config.BindingDSL
set(Class<? extends Annotation>) - Method in interface org.grouplens.lenskit.core.LenskitConfigContext: Start a binding that sets a parameter.
set(int, E) - Method in class org.grouplens.lenskit.data.history.BasicItemEventList
set(Class<? extends Annotation>) - Method in class org.grouplens.lenskit.inject.AbstractConfigContext
set(long, double) - Method in class org.grouplens.lenskit.vectors.MutableSparseVector: Set a value in the vector.
set(VectorEntry, double) - Method in class org.grouplens.lenskit.vectors.MutableSparseVector: Set the value in the vector corresponding to a vector entry.
set(SparseVector) - Method in class org.grouplens.lenskit.vectors.MutableSparseVector: Set the values in this SparseVector to equal the values in other for each key that is present in both vectors.
set(int, double) - Method in class org.grouplens.lenskit.vectors.MutableVec: Deprecated.

Set a value in this vector.
set(Vec) - Method in class org.grouplens.lenskit.vectors.MutableVec: Deprecated.

Copy a vector into this vector.
set(double[]) - Method in class org.grouplens.lenskit.vectors.MutableVec: Deprecated.

Copy an array into this vector.
setAction(Function<LenskitRecommender, T>) - Method in class org.grouplens.lenskit.eval.TrainModelTask: Set the action to invoke.
setActive(int, boolean) - Method in class org.grouplens.lenskit.collections.LongKeyDomain: Set the active flag for a single key.
setActive(BitSet) - Method in class org.grouplens.lenskit.collections.LongKeyDomain: Set the active bits from a bit set.
setAlgoAttributes(Map<String, Object>) - Method in class org.grouplens.lenskit.eval.ExecutionInfo.Builder: Deprecated.
setAlgoName(String) - Method in class org.grouplens.lenskit.eval.ExecutionInfo.Builder: Deprecated.
setAlgorithm(Attributed) - Method in class org.grouplens.lenskit.eval.ExecutionInfo.Builder
setAlgorithm(AlgorithmInstance) - Method in class org.grouplens.lenskit.eval.graph.DumpGraphTask
setAlgorithm(Map<String, Object>, File) - Method in class org.grouplens.lenskit.eval.graph.DumpGraphTask
setAlgorithm(Map<String, Object>, String) - Method in class org.grouplens.lenskit.eval.graph.DumpGraphTask
setAlgorithm(AlgorithmInstance) - Method in class org.grouplens.lenskit.eval.TrainModelTask: Configure the algorithmInfo.
setAllActive(boolean) - Method in class org.grouplens.lenskit.collections.LongKeyDomain: Set the active status of all entries in the key set.
setAttribute(String, Object) - Method in class org.grouplens.lenskit.eval.algorithm.AlgorithmInstanceBuilder: Set an attribute for this algorithmInfo instance.
setAttribute(String, Object) - Method in class org.grouplens.lenskit.eval.data.traintest.GenericTTDataBuilder
setAttribute(String, Object) - Method in class org.grouplens.lenskit.eval.traintest.ExternalAlgorithmBuilder: Set an attribute for this algorithmInfo instance.
setCache(boolean) - Method in class org.grouplens.lenskit.data.source.CSVDataSourceBuilder: Deprecated.
setCache(Cache<QueryKey, Object>) - Method in class org.grouplens.lenskit.data.sql.JDBCRatingDAOBuilder: Set the cache to use for user and item queries.
setCache(boolean) - Method in class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask: Configure whether the data sets created by the crossfold will have caching turned on.
setCacheAllComponents(boolean) - Method in class org.grouplens.lenskit.eval.traintest.TrainTestEvalTask: Control whether all components are cached.
setCacheBuilder(CacheBuilder<? super QueryKey, Object>) - Method in class org.grouplens.lenskit.data.sql.JDBCRatingDAOBuilder: Set a cache builder to use for making the DAO's internal caches.
setCacheBuilder(CacheBuilderSpec) - Method in class org.grouplens.lenskit.data.sql.JDBCRatingDAOBuilder: Set a cache builder spec to use for making the DAO's internal caches.
setCacheBuilder(String) - Method in class org.grouplens.lenskit.data.sql.JDBCRatingDAOBuilder: Set the cache builder spec to use for making the DAO's internal caches.
setCandidates(ItemSelector) - Method in class org.grouplens.lenskit.eval.metrics.topn.TopNMetricBuilder: Set the candidate selector.
setClassLoader(ClassLoader) - Method in class org.grouplens.lenskit.core.LenskitRecommenderEngineBuilder: Set the class loader to use.
setClassLoader(ClassLoader) - Method in class org.grouplens.lenskit.core.LenskitRecommenderEngineLoader: Set the class loader to use when reading the engine.
setClassLoader(ClassLoader) - Method in class org.grouplens.lenskit.inject.RecommenderGraphBuilder
setCloseWhenClosed(boolean) - Method in class org.grouplens.lenskit.data.sql.JDBCRatingDAOBuilder: Configure whether the the DAO should close the database connection.
setCommand(List<String>) - Method in class org.grouplens.lenskit.eval.traintest.ExternalAlgorithmBuilder: Set the command to run.
setCommand(String...) - Method in class org.grouplens.lenskit.eval.traintest.ExternalAlgorithmBuilder
setComponentCacheDirectory(File) - Method in class org.grouplens.lenskit.eval.traintest.TrainTestEvalTask: Set the component cache directory.
setComponentCacheDirectory(String) - Method in class org.grouplens.lenskit.eval.traintest.TrainTestEvalTask: Set the component cache directory by name.
setCompressionMode(CompressionMode) - Method in class org.grouplens.lenskit.core.LenskitRecommenderEngineLoader: Set the compression mode to use.
setCount(int) - Method in class org.grouplens.lenskit.data.event.LikeBatchBuilder: Set the count of this like batch.
setDataSet(TTDataSet) - Method in class org.grouplens.lenskit.eval.ExecutionInfo.Builder
setDefaultTarget(String) - Method in class org.grouplens.lenskit.eval.EvalProject
setDelimiter(String) - Method in class org.grouplens.lenskit.data.source.TextDataSourceBuilder: Set the input field delimiter.
setDelimiter(String) - Method in class org.grouplens.lenskit.data.text.DelimitedColumnEventFormat
setDifference(LongSet, LongSet) - Static method in class org.grouplens.lenskit.collections.LongUtils: Compute the set difference of two sets.
setDifference(ItemSelector, ItemSelector) - Static method in class org.grouplens.lenskit.eval.metrics.topn.ItemSelectors: Selects the set difference between two other selectors
setDomain(PreferenceDomain) - Method in class org.grouplens.lenskit.data.source.PackedDataSourceBuilder: Set the preference domain for the data source.
setDomain(PreferenceDomain) - Method in class org.grouplens.lenskit.data.source.TextDataSourceBuilder: Set the preference domain for the data source.
setDomain(PreferenceDomain) - Method in class org.grouplens.lenskit.eval.graph.DumpGraphTask
setEngine(EvalScriptEngine) - Method in class org.grouplens.lenskit.eval.script.EvalScript: Set the engine this script should use.
setExclude(ItemSelector) - Method in class org.grouplens.lenskit.eval.metrics.topn.TopNMetricBuilder: Set the exclude item selector.
setExecutable(String) - Method in class org.grouplens.lenskit.external.ExternalProcessItemScorerBuilder: Set the executable to use.
setFields(Field...) - Method in class org.grouplens.lenskit.data.text.DelimitedColumnEventFormat: Set the fields to be parsed.
setFields(List<Field>) - Method in class org.grouplens.lenskit.data.text.DelimitedColumnEventFormat: Set the fields to be parsed.
setFile(File) - Method in class org.grouplens.lenskit.data.source.PackedDataSourceBuilder: Set the input file.
setFile(String) - Method in class org.grouplens.lenskit.data.source.PackedDataSourceBuilder: Set the input file by name.
setFile(File) - Method in class org.grouplens.lenskit.data.source.TextDataSourceBuilder: Set the input file.
setFile(String) - Method in class org.grouplens.lenskit.data.source.TextDataSourceBuilder: Set the input file by name.
setFile(File) - Method in class org.grouplens.lenskit.eval.traintest.OutputPredictMetric.FactoryBuilder
setFile(String) - Method in class org.grouplens.lenskit.eval.traintest.OutputPredictMetric.FactoryBuilder
setFile(File) - Method in class org.grouplens.lenskit.eval.traintest.OutputTopNMetric.FactoryBuilder
setFile(String) - Method in class org.grouplens.lenskit.eval.traintest.OutputTopNMetric.FactoryBuilder
setForce(boolean) - Method in class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask: Set the force running option of the command.
setFormat(EventFormat) - Method in class org.grouplens.lenskit.data.source.TextDataSourceBuilder: Set the event format.
setFraction(double) - Method in class org.grouplens.lenskit.eval.data.subsample.SubsampleTask: Set the fraction of subsample to generate.
setGoodItems(ItemSelector) - Method in class org.grouplens.lenskit.eval.metrics.topn.IndependentRecallTopNMetric.Builder: Set the set of items that will be considered ‘good’ by the evaluation.
setGoodItems(ItemSelector) - Method in class org.grouplens.lenskit.eval.metrics.topn.MAPTopNMetric.Builder: Set the set of items that will be considered ‘good’ by the evaluation.
setGoodItems(ItemSelector) - Method in class org.grouplens.lenskit.eval.metrics.topn.MRRTopNMetric.Builder: Set the set of items that will be considered ‘good’ by the evaluation.
setGoodItems(ItemSelector) - Method in class org.grouplens.lenskit.eval.metrics.topn.PrecisionRecallTopNMetric.Builder: Set the set of items that will be considered ‘good’ by the evaluation.
setHeaderLines(int) - Method in class org.grouplens.lenskit.data.source.TextDataSourceBuilder: Set the number of header lines to skip.
setHeaderLines(int) - Method in class org.grouplens.lenskit.data.text.DelimitedColumnEventFormat: Set the number of lines to skip before reading events.
setHoldout(int) - Method in class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask: Set holdout to a fixed number of items per user.
setHoldoutFraction(double) - Method in class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask: Set holdout to a fraction of each user's profile.
setId(long) - Method in class org.grouplens.lenskit.scored.ScoredIdBuilder: Change the ID of the ScoredID object under construction.
setIncludeTimestamps(boolean) - Method in class org.grouplens.lenskit.eval.data.pack.PackTask: Set whether to include timestamps.
setIndex(int) - Method in class org.grouplens.lenskit.data.pref.IndexedPreferenceBuilder: Set the preference's index.
setInput(DataSource) - Method in class org.grouplens.lenskit.eval.TrainModelTask: Specify the data source to train on.
setIsolate(boolean) - Method in class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask: Configure whether the train-test data sets generated by this task will be isolated.
setIsolate(boolean) - Method in class org.grouplens.lenskit.eval.traintest.TrainTestEvalTask: Deprecated.
Isolate data sets instead.
setIsolationGroup(UUID) - Method in class org.grouplens.lenskit.eval.data.traintest.GenericTTDataBuilder: Set the group ID for this data set.
setItem1(long) - Method in class org.grouplens.lenskit.knn.item.model.ItemItemBuildContext.ItemVecPair
setItem2(long) - Method in class org.grouplens.lenskit.knn.item.model.ItemItemBuildContext.ItemVecPair
setItemAverage(double) - Method in class org.grouplens.lenskit.mf.funksvd.FeatureInfo.Builder
setItemColumn(String) - Method in class org.grouplens.lenskit.data.sql.BasicSQLStatementFactory: Set the name of the item ID column in the rating table.
setItemColumn(String) - Method in class org.grouplens.lenskit.data.sql.JDBCRatingDAOBuilder
setItemFile(File) - Method in class org.grouplens.lenskit.data.source.TextDataSourceBuilder: Set the item ID file.
setItemId(long) - Method in interface org.grouplens.lenskit.data.event.EventBuilder: Set the item ID for this event.
setItemId(long) - Method in class org.grouplens.lenskit.data.event.LikeBatchBuilder
setItemId(long) - Method in class org.grouplens.lenskit.data.event.LikeBuilder
setItemId(long) - Method in class org.grouplens.lenskit.data.event.MutableRating: Set the rating's new item ID.
setItemId(long) - Method in class org.grouplens.lenskit.data.event.RatingBuilder: Set the item ID.
setItemId(long) - Method in class org.grouplens.lenskit.data.pref.IndexedPreferenceBuilder: Set the preference's item ID.
setItemId(long) - Method in class org.grouplens.lenskit.data.pref.PreferenceBuilder
setItemIndex(int) - Method in class org.grouplens.lenskit.data.pref.IndexedPreferenceBuilder: Set the preference's item index.
setItemNameFile(File) - Method in class org.grouplens.lenskit.data.source.TextDataSourceBuilder: Set the item ID to name mapping file.
setListSize(int) - Method in class org.grouplens.lenskit.eval.metrics.topn.TopNMetricBuilder: Set the recommendation list size.
setMaximum(double) - Method in class org.grouplens.lenskit.data.pref.PreferenceDomainBuilder: Set the maximum preference.
setMethod(CrossfoldMethod) - Method in class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask: Set the crossfold method.
setMinimum(double) - Method in class org.grouplens.lenskit.data.pref.PreferenceDomainBuilder: Set the minimum preference.
setMode(SubsampleMode) - Method in class org.grouplens.lenskit.eval.data.subsample.SubsampleTask: Set the mode of the subsample, it is user, item or rating.
setName(String) - Method in class org.grouplens.lenskit.data.source.PackedDataSourceBuilder: Set the data source name.
setName(String) - Method in class org.grouplens.lenskit.data.source.TextDataSourceBuilder: Set the data source name.
setName(String) - Method in class org.grouplens.lenskit.eval.AbstractTask: Set this command's name.
setName(String) - Method in class org.grouplens.lenskit.eval.algorithm.AlgorithmInstanceBuilder: Set the algorithmInfo name.
setName(String) - Method in class org.grouplens.lenskit.eval.algorithm.AlgorithmInstanceBuilderDelegate
setName(String) - Method in class org.grouplens.lenskit.eval.data.traintest.GenericTTDataBuilder: Set the data set's name.
setName(String) - Method in class org.grouplens.lenskit.eval.traintest.ExternalAlgorithmBuilder: Set the algorithmInfo name.
setOrder(Order<Rating>) - Method in class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask: Set the order for the train-test splitting.
setOutput(String) - Method in class org.grouplens.lenskit.eval.data.subsample.SubsampleTask: Set the output file name.
setOutput(File) - Method in class org.grouplens.lenskit.eval.data.subsample.SubsampleTask: Set the output file for the sampled data.
setOutput(File) - Method in class org.grouplens.lenskit.eval.graph.DumpGraphTask
setOutput(String) - Method in class org.grouplens.lenskit.eval.graph.DumpGraphTask
setOutput(File) - Method in class org.grouplens.lenskit.eval.traintest.SimpleEvaluator: This provides a wrapper around TrainTestEvalCommand.setOutput()
setOutput(File) - Method in class org.grouplens.lenskit.eval.traintest.TrainTestEvalTask
setOutput(String) - Method in class org.grouplens.lenskit.eval.traintest.TrainTestEvalTask
setOutputDelimiter(String) - Method in class org.grouplens.lenskit.eval.traintest.ExternalAlgorithmBuilder: Set the delimiter of the recommender's output file.
setOutputFile(Function<DataSource, File>) - Method in class org.grouplens.lenskit.eval.data.pack.PackTask: Set the function to produce the default files for each data source.
setOutputPath(String) - Method in class org.grouplens.lenskit.eval.traintest.SimpleEvaluator: Creates a new file with the name and passes it to TrainTestEvalCommand.setOutput()
setPartitions(int) - Method in class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask: Set the number of partitions to generate.
setPrecision(double) - Method in class org.grouplens.lenskit.data.pref.PreferenceDomainBuilder: Set the preference precision.
setPredictions(SparseVector) - Method in class org.grouplens.lenskit.eval.traintest.MockTestUser.Builder
setPredictOutput(File) - Method in class org.grouplens.lenskit.eval.traintest.SimpleEvaluator: This provides a wrapper around TrainTestEvalCommand.setPredictOutput
setPredictOutput(File) - Method in class org.grouplens.lenskit.eval.traintest.TrainTestEvalTask: Deprecated.
setPredictOutput(String) - Method in class org.grouplens.lenskit.eval.traintest.TrainTestEvalTask: Deprecated.
setPredictOutputPath(String) - Method in class org.grouplens.lenskit.eval.traintest.SimpleEvaluator: Creates a new file with the name and passes it to TrainTestEvalCommand.setPredictOutput()
setPrefix(String) - Method in class org.grouplens.lenskit.eval.metrics.topn.TopNMetricBuilder: Set the prefix to be applied to each column label.
setPreload(boolean) - Method in class org.grouplens.lenskit.eval.algorithm.AlgorithmInstanceBuilder: Deprecated.
This method doesn't do anything anymore. Pack rating data if you want preloading.
setPreload(boolean) - Method in class org.grouplens.lenskit.eval.algorithm.AlgorithmInstanceBuilderDelegate: Deprecated.
setProject(EvalProject) - Method in class org.grouplens.lenskit.eval.AbstractTask: Set the project this task is a member of.
setProject(EvalProject) - Method in class org.grouplens.lenskit.eval.algorithm.AlgorithmInstanceBuilder: Set the project of Algorithm.
setProject(EvalProject) - Method in class org.grouplens.lenskit.eval.script.EvalScript: Set the eval project to be configured by this script.
setQuery(DataSource) - Method in class org.grouplens.lenskit.eval.data.traintest.GenericTTDataBuilder
setRandom(Random) - Method in class org.grouplens.lenskit.eval.algorithm.AlgorithmInstance: Let AlgorithmInstanceBuilder to pass random number generator to algorithmInfo instance
setRandom(Random) - Method in class org.grouplens.lenskit.eval.EvalProject: Set the project's random number generator.
setRating(double) - Method in class org.grouplens.lenskit.data.event.MutableRating: Set the rating value.
setRating(double) - Method in class org.grouplens.lenskit.data.event.RatingBuilder: Set the rating value.
setRatingColumn(String) - Method in class org.grouplens.lenskit.data.sql.BasicSQLStatementFactory: Set the name of the rating column in the rating table.
setRatingColumn(String) - Method in class org.grouplens.lenskit.data.sql.JDBCRatingDAOBuilder
setRecommendations(List<ScoredId>) - Method in class org.grouplens.lenskit.eval.traintest.MockTestUser.Builder
setRecommender(Recommender) - Method in class org.grouplens.lenskit.eval.traintest.MockTestUser.Builder
setRecommendOutput(File) - Method in class org.grouplens.lenskit.eval.traintest.TrainTestEvalTask: Deprecated.
setRecommendOutput(String) - Method in class org.grouplens.lenskit.eval.traintest.TrainTestEvalTask: Deprecated.
setRetain(int) - Method in class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask: Set holdout from using the retain part to a fixed number of items.
setSampleSize(int) - Method in class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask: Set the sample size (# of users sampled per partition).
setScore(double) - Method in class org.grouplens.lenskit.scored.ScoredIdBuilder: Change the score of the ScoredId object under construction.
setSeparateAlgorithms(boolean) - Method in class org.grouplens.lenskit.eval.traintest.TrainTestEvalTask: Control whether the evaluator separates or combines algorithms.
setSingularValue(double) - Method in class org.grouplens.lenskit.mf.funksvd.FeatureInfo.Builder: Set the singular value for this feature.
setSource(DataSource) - Method in class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask: Set the input data source.
setSource(DataSource) - Method in class org.grouplens.lenskit.eval.data.subsample.SubsampleTask: Set the input data source.
setSplitUsers(boolean) - Method in class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask: Deprecated.
Use CrossfoldTask.setMethod(CrossfoldMethod) instead.
setStatementFactory(SQLStatementFactory) - Method in class org.grouplens.lenskit.data.sql.JDBCRatingDAOBuilder: Set the statement factory to be used by the DAO.
setSuffix(String) - Method in class org.grouplens.lenskit.eval.metrics.topn.TopNMetricBuilder: Set the suffix to be applied to each column label.
setTableName(String) - Method in class org.grouplens.lenskit.data.sql.BasicSQLStatementFactory: Set the name of the rating table.
setTableName(String) - Method in class org.grouplens.lenskit.data.sql.JDBCRatingDAOBuilder
setTaskGraphFile(File) - Method in class org.grouplens.lenskit.eval.traintest.TrainTestEvalTask: Set an output file for a description of the task graph.
setTaskGraphFile(String) - Method in class org.grouplens.lenskit.eval.traintest.TrainTestEvalTask: Set an output file for a description of the task graph.
setTaskStatusFile(File) - Method in class org.grouplens.lenskit.eval.traintest.TrainTestEvalTask: Set an output file for task status updates.
setTaskStatusFile(String) - Method in class org.grouplens.lenskit.eval.traintest.TrainTestEvalTask: Set an output file for task status updates.
setTest(String) - Method in class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask: Set the pattern for the test set files.
setTest(DataSource) - Method in class org.grouplens.lenskit.eval.data.traintest.GenericTTDataBuilder
setTimestamp(long) - Method in interface org.grouplens.lenskit.data.event.EventBuilder: Set the timestamp for this event.
setTimestamp(long) - Method in class org.grouplens.lenskit.data.event.LikeBatchBuilder
setTimestamp(long) - Method in class org.grouplens.lenskit.data.event.LikeBuilder
setTimestamp(long) - Method in class org.grouplens.lenskit.data.event.MutableRating: Set the rating's new timestamp.
setTimestamp(long) - Method in class org.grouplens.lenskit.data.event.RatingBuilder: Set the timestamp.
setTimestampColumn(String) - Method in class org.grouplens.lenskit.data.sql.BasicSQLStatementFactory: Set the name of the timestamp column in the rating table.
setTimestampColumn(String) - Method in class org.grouplens.lenskit.data.sql.JDBCRatingDAOBuilder
setTrain(String) - Method in class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask: Set the pattern for the training set files.
setTrain(DataSource) - Method in class org.grouplens.lenskit.eval.data.traintest.GenericTTDataBuilder
setUnion(LongSortedSet, LongSortedSet) - Static method in class org.grouplens.lenskit.collections.LongUtils: Compute the union of two sets.
setUserAverage(double) - Method in class org.grouplens.lenskit.mf.funksvd.FeatureInfo.Builder
setUserColumn(String) - Method in class org.grouplens.lenskit.data.sql.BasicSQLStatementFactory: Set the name of the user ID column in the rating table.
setUserColumn(String) - Method in class org.grouplens.lenskit.data.sql.JDBCRatingDAOBuilder
setUserId(long) - Method in interface org.grouplens.lenskit.data.event.EventBuilder: Set the user ID for this event.
setUserId(long) - Method in class org.grouplens.lenskit.data.event.LikeBatchBuilder
setUserId(long) - Method in class org.grouplens.lenskit.data.event.LikeBuilder
setUserId(long) - Method in class org.grouplens.lenskit.data.event.MutableRating: Set the rating's user ID.
setUserId(long) - Method in class org.grouplens.lenskit.data.event.RatingBuilder: Set the user ID.
setUserId(long) - Method in class org.grouplens.lenskit.data.pref.IndexedPreferenceBuilder: Set the preference's user ID.
setUserId(long) - Method in class org.grouplens.lenskit.data.pref.PreferenceBuilder
setUserId(long) - Method in class org.grouplens.lenskit.eval.traintest.MockTestUser.Builder
setUserIndex(int) - Method in class org.grouplens.lenskit.data.pref.IndexedPreferenceBuilder: Set the preference's user index.
setUserOutput(File) - Method in class org.grouplens.lenskit.eval.traintest.SimpleEvaluator: This provides a wrapper around TrainTestEvalCommand.setUserOutput
setUserOutput(File) - Method in class org.grouplens.lenskit.eval.traintest.TrainTestEvalTask
setUserOutput(String) - Method in class org.grouplens.lenskit.eval.traintest.TrainTestEvalTask
setUserOutputPath(String) - Method in class org.grouplens.lenskit.eval.traintest.SimpleEvaluator: Creates a new file with the name and passes it to TrainTestEvalCommand.setUserOutput()
setUserProperty(String, String) - Method in class org.grouplens.lenskit.eval.EvalProject: Set a "user" property.
setValidationMode(EngineValidationMode) - Method in class org.grouplens.lenskit.core.LenskitRecommenderEngineLoader: Set the validation mode for loading the recommender engine.
setValue(double) - Method in class org.grouplens.lenskit.data.pref.IndexedPreferenceBuilder: Set the preference's value.
setValue(double) - Method in class org.grouplens.lenskit.data.pref.PreferenceBuilder
setWorkDir(File) - Method in class org.grouplens.lenskit.eval.traintest.ExternalAlgorithmBuilder: Set the working directory for the external recommender.
setWorkDir(String) - Method in class org.grouplens.lenskit.eval.traintest.ExternalAlgorithmBuilder: Set the working directory for the external recommender.
setWorkingDir(File) - Method in class org.grouplens.lenskit.external.ExternalProcessItemScorerBuilder: Set the working directory to use.
setWorkingDir(String) - Method in class org.grouplens.lenskit.external.ExternalProcessItemScorerBuilder: Set the working directory to use.
setWriteFile(File) - Method in class org.grouplens.lenskit.eval.TrainModelTask: Specify a file to write.
setWriteTimestamps(boolean) - Method in class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask: Configure whether to include timestamps in the output file.
sha1Writer() - Static method in class org.grouplens.lenskit.util.io.Descriptions: Create a description writer that will compute a SHA1 hash.
Shareable - Annotation Type in org.grouplens.lenskit.core: Mark a component implementation as shareable.
shared() - Method in interface org.grouplens.lenskit.core.LenskitBinding
shell - Variable in class org.grouplens.lenskit.eval.script.EvalScriptEngine
shrinkDomain() - Method in class org.grouplens.lenskit.vectors.MutableSparseVector: Create a new version of this MutableSparseVector that has keyDomain equal to this vector's key set.
SignificanceWeightedVectorSimilarity - Class in org.grouplens.lenskit.vectors.similarity: Apply significance weighting to a similarity function.
SignificanceWeightedVectorSimilarity(int, VectorSimilarity) - Constructor for class org.grouplens.lenskit.vectors.similarity.SignificanceWeightedVectorSimilarity
SigWeightThreshold - Annotation Type in org.grouplens.lenskit.vectors.similarity: The weight threshold for significance weighting.
similarity(long, SparseVector, long, SparseVector) - Method in interface org.grouplens.lenskit.knn.item.ItemSimilarity: Compute the similarity between two items.
similarity(long, SparseVector, long, SparseVector) - Method in class org.grouplens.lenskit.knn.item.ItemVectorSimilarity
similarity - Variable in class org.grouplens.lenskit.knn.user.Neighbor
similarity(long, SparseVector, long, SparseVector) - Method in interface org.grouplens.lenskit.knn.user.UserSimilarity: Compute the similarity between two users.
similarity(long, SparseVector, long, SparseVector) - Method in class org.grouplens.lenskit.knn.user.UserVectorSimilarity
similarity(SparseVector, SparseVector) - Method in class org.grouplens.lenskit.vectors.similarity.CosineVectorSimilarity
similarity(SparseVector, SparseVector) - Method in class org.grouplens.lenskit.vectors.similarity.DistanceVectorSimilarity
similarity(SparseVector, SparseVector) - Method in class org.grouplens.lenskit.vectors.similarity.MutualInformationVectorSimilarity: Compute similarity using mutual information.
similarity(SparseVector, SparseVector) - Method in class org.grouplens.lenskit.vectors.similarity.PearsonCorrelation
similarity(SparseVector, SparseVector) - Method in class org.grouplens.lenskit.vectors.similarity.SignificanceWeightedVectorSimilarity
similarity(SparseVector, SparseVector) - Method in class org.grouplens.lenskit.vectors.similarity.SpearmanRankCorrelation
similarity(SparseVector, SparseVector) - Method in interface org.grouplens.lenskit.vectors.similarity.VectorSimilarity: Compute the similarity between two vectors.
SIMILARITY_COMPARATOR - Static variable in class org.grouplens.lenskit.knn.user.Neighbor: Comparator to order neighbors by similarity.
SimilarityDamping - Annotation Type in org.grouplens.lenskit.vectors.similarity: Damping parameter for similarity functions.
SimilarityMatrixModel - Class in org.grouplens.lenskit.knn.item.model: Item-item similarity model using an in-memory similarity matrix.
SimilarityMatrixModel(LongKeyDomain, List<ImmutableSparseVector>) - Constructor for class org.grouplens.lenskit.knn.item.model.SimilarityMatrixModel: Deprecated.
This is deprecated for public usage. It is better to use the other constructor.
SimilarityMatrixModel(Map<Long, ImmutableSparseVector>) - Constructor for class org.grouplens.lenskit.knn.item.model.SimilarityMatrixModel: Construct a new item-item model.
SimilaritySumNeighborhoodScorer - Class in org.grouplens.lenskit.knn.item: Neighborhood scorer that computes the sum of neighborhood similarities.
SimilaritySumNeighborhoodScorer() - Constructor for class org.grouplens.lenskit.knn.item.SimilaritySumNeighborhoodScorer
SimpleCachingItemScorer - Class in org.grouplens.lenskit.basic: A simple cached item scorer that remembers the result for the last user id it scored.
SimpleCachingItemScorer(ItemScorer) - Constructor for class org.grouplens.lenskit.basic.SimpleCachingItemScorer
SimpleEvaluator - Class in org.grouplens.lenskit.eval.traintest
SimpleEvaluator() - Constructor for class org.grouplens.lenskit.eval.traintest.SimpleEvaluator: Construct a simple evaluator.
SimpleEvaluator(Properties) - Constructor for class org.grouplens.lenskit.eval.traintest.SimpleEvaluator: Create a simple evaluator with a custom configuration.
SimpleFileItemDAOProvider - Class in org.grouplens.lenskit.data.dao: Deprecated.
Use SimpleFileItemDAOProvider instead.
SimpleFileItemDAOProvider(File) - Constructor for class org.grouplens.lenskit.data.dao.SimpleFileItemDAOProvider: Deprecated.
SimpleFileItemDAOProvider - Class in org.grouplens.lenskit.data.text: Provider for ItemListItemDAO that reads a list of item IDs from a file, one per line.
SimpleFileItemDAOProvider(File) - Constructor for class org.grouplens.lenskit.data.text.SimpleFileItemDAOProvider
SimpleFileRatingDAO - Class in org.grouplens.lenskit.data.dao: Deprecated.
Use TextEventDAO instead.
SimpleFileRatingDAO(File, String, CompressionMode) - Constructor for class org.grouplens.lenskit.data.dao.SimpleFileRatingDAO: Deprecated.
use SimpleFileRatingDAO.create(File, String, CompressionMode) instead.
SimpleFileRatingDAO(File, String) - Constructor for class org.grouplens.lenskit.data.dao.SimpleFileRatingDAO: Deprecated.

Create a DAO reading from the specified file and delimiter.
SimpleFileUserDAOProvider - Class in org.grouplens.lenskit.data.dao: Deprecated.
Use SimpleFileUserDAOProvider instead.
SimpleFileUserDAOProvider(File) - Constructor for class org.grouplens.lenskit.data.dao.SimpleFileUserDAOProvider: Deprecated.
SimpleFileUserDAOProvider - Class in org.grouplens.lenskit.data.text: Provider for UserListUserDAO that reads a list of user IDs from a file, one per line.
SimpleFileUserDAOProvider(File) - Constructor for class org.grouplens.lenskit.data.text.SimpleFileUserDAOProvider
SimpleRatingPredictor - Class in org.grouplens.lenskit.basic: Basic RatingPredictor backed by an ItemScorer.
SimpleRatingPredictor(ItemScorer, ItemScorer, PreferenceDomain) - Constructor for class org.grouplens.lenskit.basic.SimpleRatingPredictor
SimpleRatingPredictor.Provider - Class in org.grouplens.lenskit.basic: An intelligent provider for simple rating predictors.
simulate() - Method in class org.grouplens.lenskit.inject.RecommenderInstantiator: Simulate instantiating a graph.
simulateInstantiation() - Static method in class org.grouplens.lenskit.inject.NodeProcessors: Create a node processor that will simulate instantiating nodes.
singleThreaded() - Static method in class org.grouplens.lenskit.util.parallel.TaskGraphExecutor: Return a single-threaded task graph runner.
size() - Method in class org.grouplens.lenskit.collections.CompactableLongArrayList
size() - Method in class org.grouplens.lenskit.collections.LongKeyDomain: Get the number of active keys in this set.
size() - Method in class org.grouplens.lenskit.data.history.BasicItemEventList
size() - Method in class org.grouplens.lenskit.data.history.BasicUserHistory
size() - Method in class org.grouplens.lenskit.indexes.IdIndexMapping: Get the size of this index.
size() - Method in class org.grouplens.lenskit.indexes.MutableIdIndexMapping
size() - Method in class org.grouplens.lenskit.scored.PackedScoredIdList
size() - Method in class org.grouplens.lenskit.scored.ScoredIdListBuilder: Get the number of items currently in the builder.
size() - Method in interface org.grouplens.lenskit.util.ScoredItemAccumulator: Get the number of items in the accumulator.
size() - Method in class org.grouplens.lenskit.util.TopNScoredItemAccumulator
size() - Method in class org.grouplens.lenskit.util.UnlimitedScoredItemAccumulator
size() - Method in class org.grouplens.lenskit.vectors.SparseVector: Get the size of this vector (the number of keys).
size() - Method in class org.grouplens.lenskit.vectors.Vec: Deprecated.

Get the dimension of this vector (the number of elements).
SKIP_PROPERTY - Static variable in class org.grouplens.lenskit.eval.EvalConfig
SlopeOneItemScorer - Class in org.grouplens.lenskit.slopeone: An ItemScorer that implements the Slope One algorithm.
SlopeOneItemScorer(UserEventDAO, SlopeOneModel, PreferenceDomain) - Constructor for class org.grouplens.lenskit.slopeone.SlopeOneItemScorer
SlopeOneModel - Class in org.grouplens.lenskit.slopeone: A model for a SlopeOneItemScorer or WeightedSlopeOneItemScorer.
SlopeOneModel(Long2ObjectMap<ImmutableSparseVector>) - Constructor for class org.grouplens.lenskit.slopeone.SlopeOneModel
SlopeOneModelBuilder - Class in org.grouplens.lenskit.slopeone: Pre-computes the deviations and number of mutual rating users for every pair of items and stores the results in a DeviationMatrix and CoratingMatrix.
SlopeOneModelBuilder(ItemDAO, ItemItemBuildContext, double) - Constructor for class org.grouplens.lenskit.slopeone.SlopeOneModelBuilder
SlopeOneModelDataAccumulator - Class in org.grouplens.lenskit.slopeone
SlopeOneModelDataAccumulator(double, ItemDAO) - Constructor for class org.grouplens.lenskit.slopeone.SlopeOneModelDataAccumulator: Creates an accumulator to process rating data and generate the necessary data for a SlopeOneItemScorer.
snapshot - Variable in class org.grouplens.lenskit.mf.funksvd.FunkSVDModelBuilder
SnapshotNeighborFinder - Class in org.grouplens.lenskit.knn.user: A neighborhood finder that has a snapshot of the rating data for efficiency.
SnapshotNeighborFinder(UserSnapshot, UserSimilarity, UserHistorySummarizer, UserVectorNormalizer, Threshold) - Constructor for class org.grouplens.lenskit.knn.user.SnapshotNeighborFinder
softMemoize(Supplier<T>) - Static method in class org.grouplens.lenskit.util.MoreSuppliers: Softly memoize a supplier.
sort(Cursor<T>, Comparator<? super T>) - Static method in class org.grouplens.lenskit.cursors.Cursors: Sort a cursor.
sort(Comparator<ScoredId>) - Method in class org.grouplens.lenskit.scored.ScoredIdListBuilder: Sort the list-in-progress by the specified comparator.
SortOrder - Enum in org.grouplens.lenskit.data.dao
SparseNeighborIterationStrategy - Class in org.grouplens.lenskit.knn.item.model: Neighbor iteration strategy that looks at the items co-rated with the specified item.
SparseNeighborIterationStrategy() - Constructor for class org.grouplens.lenskit.knn.item.model.SparseNeighborIterationStrategy
SparseVector - Class in org.grouplens.lenskit.vectors: Read-only interface to sparse vectors.
SpearmanRankCorrelation - Class in org.grouplens.lenskit.vectors.similarity: Similarity function using Spearman rank correlation.
SpearmanRankCorrelation(double) - Constructor for class org.grouplens.lenskit.vectors.similarity.SpearmanRankCorrelation
SpearmanRankCorrelation() - Constructor for class org.grouplens.lenskit.vectors.similarity.SpearmanRankCorrelation
splitClosure(Object[]) - Method in class org.grouplens.lenskit.eval.script.ConfigMethodInvoker: Split an array of arguments into arguments a trailing closure.
splitUsers(UserDAO) - Method in class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask: Split users ids to n splits, where n is the partitionCount
SQLStatementFactory - Interface in org.grouplens.lenskit.data.sql: Interface for producing sql strings rating DAO queries.
StagedWrite - Class in org.grouplens.lenskit.util.io: Helper to do staged file writes.
StandardVectorTruncatorProvider - Class in org.grouplens.lenskit.knn.item.model: Configure a vector truncator using the standard item-item model build logic.
StandardVectorTruncatorProvider(Threshold, int) - Constructor for class org.grouplens.lenskit.knn.item.model.StandardVectorTruncatorProvider: Construct a new vector truncator provider.
startBuildTimer() - Method in interface org.grouplens.lenskit.eval.results.AlgorithmTestAccumulator: Start the algorithmInfo's build timer.
startTestTimer() - Method in interface org.grouplens.lenskit.eval.results.AlgorithmTestAccumulator: Start the algorithmInfo's test timer.
StaticInjector - Class in org.grouplens.lenskit.inject: A Grapht injector that uses a precomputed graph.
StaticInjector(DAGNode<Component, Dependency>) - Constructor for class org.grouplens.lenskit.inject.StaticInjector: Create a new static injector.
StoppingCondition - Interface in org.grouplens.lenskit.iterative: Stopping condition for iterative updates
StoppingThreshold - Annotation Type in org.grouplens.lenskit.iterative: Stopping threshold.
streamEvents() - Method in class org.grouplens.lenskit.data.dao.EventCollectionDAO
streamEvents(Class<E>) - Method in class org.grouplens.lenskit.data.dao.EventCollectionDAO
streamEvents(Class<E>, SortOrder) - Method in class org.grouplens.lenskit.data.dao.EventCollectionDAO
streamEvents() - Method in interface org.grouplens.lenskit.data.dao.EventDAO: Stream all events.
streamEvents(Class<E>) - Method in interface org.grouplens.lenskit.data.dao.EventDAO: Stream all events of a given type.
streamEvents(Class<E>, SortOrder) - Method in interface org.grouplens.lenskit.data.dao.EventDAO: Stream all events of a given type in a specified order.
streamEvents() - Method in class org.grouplens.lenskit.data.dao.packed.BinaryRatingDAO
streamEvents(Class<E>) - Method in class org.grouplens.lenskit.data.dao.packed.BinaryRatingDAO
streamEvents(Class<E>, SortOrder) - Method in class org.grouplens.lenskit.data.dao.packed.BinaryRatingDAO
streamEvents() - Method in class org.grouplens.lenskit.data.dao.packed.RatingSnapshotDAO
streamEvents(Class<E>) - Method in class org.grouplens.lenskit.data.dao.packed.RatingSnapshotDAO
streamEvents(Class<E>, SortOrder) - Method in class org.grouplens.lenskit.data.dao.packed.RatingSnapshotDAO
streamEvents() - Method in class org.grouplens.lenskit.data.dao.SimpleFileRatingDAO: Deprecated.
streamEvents(Class<E>) - Method in class org.grouplens.lenskit.data.dao.SimpleFileRatingDAO: Deprecated.
streamEvents(Class<E>, SortOrder) - Method in class org.grouplens.lenskit.data.dao.SimpleFileRatingDAO: Deprecated.
streamEvents() - Method in class org.grouplens.lenskit.data.sql.JDBCRatingDAO
streamEvents(Class<E>) - Method in class org.grouplens.lenskit.data.sql.JDBCRatingDAO
streamEvents(Class<E>, SortOrder) - Method in class org.grouplens.lenskit.data.sql.JDBCRatingDAO
streamEvents() - Method in class org.grouplens.lenskit.data.text.TextEventDAO
streamEvents(Class<E>) - Method in class org.grouplens.lenskit.data.text.TextEventDAO
streamEvents(Class<E>, SortOrder) - Method in class org.grouplens.lenskit.data.text.TextEventDAO
streamEventsByItem() - Method in interface org.grouplens.lenskit.data.dao.ItemEventDAO: Stream events grouped by item.
streamEventsByItem(Class<E>) - Method in interface org.grouplens.lenskit.data.dao.ItemEventDAO: Stream events grouped by item.
streamEventsByItem() - Method in class org.grouplens.lenskit.data.dao.packed.BinaryRatingDAO
streamEventsByItem(Class<E>) - Method in class org.grouplens.lenskit.data.dao.packed.BinaryRatingDAO
streamEventsByItem() - Method in class org.grouplens.lenskit.data.dao.packed.RatingSnapshotDAO
streamEventsByItem(Class<E>) - Method in class org.grouplens.lenskit.data.dao.packed.RatingSnapshotDAO
streamEventsByItem() - Method in class org.grouplens.lenskit.data.dao.PrefetchingItemEventDAO
streamEventsByItem(Class<E>) - Method in class org.grouplens.lenskit.data.dao.PrefetchingItemEventDAO
streamEventsByItem() - Method in class org.grouplens.lenskit.data.sql.JDBCRatingDAO
streamEventsByItem(Class<E>) - Method in class org.grouplens.lenskit.data.sql.JDBCRatingDAO
streamEventsByUser() - Method in class org.grouplens.lenskit.data.dao.packed.BinaryRatingDAO
streamEventsByUser(Class<E>) - Method in class org.grouplens.lenskit.data.dao.packed.BinaryRatingDAO
streamEventsByUser() - Method in class org.grouplens.lenskit.data.dao.packed.RatingSnapshotDAO
streamEventsByUser(Class<E>) - Method in class org.grouplens.lenskit.data.dao.packed.RatingSnapshotDAO
streamEventsByUser() - Method in class org.grouplens.lenskit.data.dao.PrefetchingUserEventDAO
streamEventsByUser(Class<E>) - Method in class org.grouplens.lenskit.data.dao.PrefetchingUserEventDAO
streamEventsByUser() - Method in interface org.grouplens.lenskit.data.dao.UserEventDAO: Stream events grouped by user.
streamEventsByUser(Class<E>) - Method in interface org.grouplens.lenskit.data.dao.UserEventDAO: Stream events grouped by user.
streamEventsByUser() - Method in class org.grouplens.lenskit.data.sql.JDBCRatingDAO
streamEventsByUser(Class<E>) - Method in class org.grouplens.lenskit.data.sql.JDBCRatingDAO
StringDescriptionWriter - Class in org.grouplens.lenskit.util.io: Description writer that accumulates a string.
stringWriter() - Static method in class org.grouplens.lenskit.util.io.Descriptions: Construct a new description writer that outputs a string.
subList(int, int) - Method in class org.grouplens.lenskit.collections.CompactableLongArrayList
subList(int, int) - Method in class org.grouplens.lenskit.data.history.BasicItemEventList
subList(int, int) - Method in class org.grouplens.lenskit.data.history.BasicUserHistory
SubsampleMode - Enum in org.grouplens.lenskit.eval.data.subsample: The mode of the subsample file.
SubsampleTask - Class in org.grouplens.lenskit.eval.data.subsample: The command to build and run a Subsample on the data source file and output the partition files
SubsampleTask() - Constructor for class org.grouplens.lenskit.eval.data.subsample.SubsampleTask
SubsampleTask(String) - Constructor for class org.grouplens.lenskit.eval.data.subsample.SubsampleTask
subtract(SparseVector) - Method in class org.grouplens.lenskit.vectors.MutableSparseVector: Subtract another rating vector from this one.
subtypePredicate(Class<?>) - Static method in class org.grouplens.lenskit.util.TypeUtils: A predicate that accepts classes which are subtypes of (assignable to) the parent class.
suffix - Variable in class org.grouplens.lenskit.eval.metrics.topn.TopNMetricBuilder
sum() - Method in interface org.grouplens.lenskit.util.table.Column: Get the sum of this column.
sum() - Method in class org.grouplens.lenskit.vectors.ImmutableSparseVector
sum() - Method in class org.grouplens.lenskit.vectors.ImmutableVec: Deprecated.
sum() - Method in class org.grouplens.lenskit.vectors.SparseVector: Compute and return the L1 norm (sum) of the vector.
sum() - Method in class org.grouplens.lenskit.vectors.Vec: Deprecated.

Get the sum of this vector.
sumAbs() - Method in class org.grouplens.lenskit.vectors.SparseVector: Compute and return the sum of the absolute values of the vector.
summarize(UserHistory<? extends Event>) - Method in class org.grouplens.lenskit.data.history.EventCountUserHistorySummarizer
summarize(UserHistory<? extends Event>) - Method in class org.grouplens.lenskit.data.history.LikeCountUserHistorySummarizer
summarize(UserHistory<? extends Event>) - Method in class org.grouplens.lenskit.data.history.RatingVectorUserHistorySummarizer
summarize(UserHistory<? extends Event>) - Method in interface org.grouplens.lenskit.data.history.UserHistorySummarizer: Compute a vector summary of a user's history.
summarizeFeature(AVector, AVector, FeatureInfo.Builder) - Method in class org.grouplens.lenskit.mf.funksvd.FunkSVDModelBuilder: Add a feature's summary to the feature info builder.
summarizer - Variable in class org.grouplens.lenskit.knn.item.ItemItemScorer
Symbol - Class in org.grouplens.lenskit.symbols: Interface to persistent symbols.
SymbolValue<T> - Class in org.grouplens.lenskit.symbols: A pairing of a TypedSymbol with a value of the same type.

T

Table - Interface in org.grouplens.lenskit.util.table: This is the interface for the in memory table which stores a list of rows.
TableBuilder - Class in org.grouplens.lenskit.util.table: Builder to construct tables.
TableBuilder(TableLayout) - Constructor for class org.grouplens.lenskit.util.table.TableBuilder: Construct a new builder using a particular layout.
TableBuilder(List<String>) - Constructor for class org.grouplens.lenskit.util.table.TableBuilder
TableLayout - Class in org.grouplens.lenskit.util.table: A layout for a table to be written.
TableLayoutBuilder - Class in org.grouplens.lenskit.util.table: Construct a layout for a table.
TableLayoutBuilder() - Constructor for class org.grouplens.lenskit.util.table.TableLayoutBuilder
TableWriter - Interface in org.grouplens.lenskit.util.table.writer: Write rows to a table.
TableWriters - Class in org.grouplens.lenskit.util.table.writer: Utility methods for table writers.
TableWriters() - Constructor for class org.grouplens.lenskit.util.table.writer.TableWriters
target - Variable in class org.grouplens.lenskit.eval.script.DefaultConfigDelegate
target(String, Closure<?>) - Method in class org.grouplens.lenskit.eval.script.EvalScript
TargetDelegate - Class in org.grouplens.lenskit.eval.script: Delegate to build a target.
TargetDelegate(Target) - Constructor for class org.grouplens.lenskit.eval.script.TargetDelegate
TaskExecutionException - Exception in org.grouplens.lenskit.eval: The exception thrown from the failure of call() in Commmand
TaskExecutionException() - Constructor for exception org.grouplens.lenskit.eval.TaskExecutionException
TaskExecutionException(String) - Constructor for exception org.grouplens.lenskit.eval.TaskExecutionException
TaskExecutionException(Throwable) - Constructor for exception org.grouplens.lenskit.eval.TaskExecutionException
TaskExecutionException(String, Throwable) - Constructor for exception org.grouplens.lenskit.eval.TaskExecutionException
TaskGraphExecutor - Class in org.grouplens.lenskit.util.parallel: Run tasks with (pre-computed) dependencies.
TaskGraphExecutor() - Constructor for class org.grouplens.lenskit.util.parallel.TaskGraphExecutor
testItems() - Static method in class org.grouplens.lenskit.eval.metrics.topn.ItemSelectors: Item selector that selects test items.
testRatingMatches(Matcher<Double>) - Static method in class org.grouplens.lenskit.eval.metrics.topn.ItemSelectors: Select items where the user's test rating matches a condition.
TestUser - Interface in org.grouplens.lenskit.eval.traintest: Expose recommender data to evaluate recommendations and predictions for a single user.
TextDataSource - Class in org.grouplens.lenskit.data.source: Data source backed by a CSV file.
TextDataSourceBuilder - Class in org.grouplens.lenskit.data.source: Builder for text file data sources.
TextDataSourceBuilder() - Constructor for class org.grouplens.lenskit.data.source.TextDataSourceBuilder
TextDataSourceBuilder(String) - Constructor for class org.grouplens.lenskit.data.source.TextDataSourceBuilder
TextDataSourceBuilder(File) - Constructor for class org.grouplens.lenskit.data.source.TextDataSourceBuilder
TextEventDAO - Class in org.grouplens.lenskit.data.text: DAO that reads events from a text file, one per line.
TextEventDAO(File, EventFormat) - Constructor for class org.grouplens.lenskit.data.text.TextEventDAO
THREAD_COUNT_PROPERTY - Static variable in class org.grouplens.lenskit.eval.EvalConfig
Threshold - Interface in org.grouplens.lenskit.transform.threshold: Determine whether similarity values should be accepted into or rejected from similarity models.
ThresholdStoppingCondition - Class in org.grouplens.lenskit.iterative: Stop when absolute delta drops below a threshold.
ThresholdStoppingCondition(double, int) - Constructor for class org.grouplens.lenskit.iterative.ThresholdStoppingCondition: Construct a new threshold stop.
ThresholdStoppingCondition(double) - Constructor for class org.grouplens.lenskit.iterative.ThresholdStoppingCondition: Create a new threshold stop with no minimum iteration count.
ThresholdTruncator - Class in org.grouplens.lenskit.transform.truncate: A VectorTruncator that will retain entries with values that are accepted by some Threshold.
ThresholdTruncator(Threshold) - Constructor for class org.grouplens.lenskit.transform.truncate.ThresholdTruncator
ThresholdValue - Annotation Type in org.grouplens.lenskit.transform.threshold: Threshold value for transformations.
throwErrors() - Method in class org.grouplens.lenskit.eval.cli.EvalCLIOptions
timestamp() - Static method in class org.grouplens.lenskit.data.text.Fields: A required timestamp field.
timestamp(boolean) - Static method in class org.grouplens.lenskit.data.text.Fields: A timestamp field.
TIMESTAMP_COMPARATOR - Static variable in class org.grouplens.lenskit.data.event.Events: Compare two events by timestamp.
TimestampOrder<E extends Event> - Class in org.grouplens.lenskit.eval.data.crossfold: Order an event sequence by timestamp.
TimestampOrder() - Constructor for class org.grouplens.lenskit.eval.data.crossfold.TimestampOrder
toArray() - Method in class org.grouplens.lenskit.data.history.BasicItemEventList
toArray(T[]) - Method in class org.grouplens.lenskit.data.history.BasicItemEventList
toArray() - Method in class org.grouplens.lenskit.data.history.BasicUserHistory
toArray(T[]) - Method in class org.grouplens.lenskit.data.history.BasicUserHistory
toInstance(T) - Method in interface org.grouplens.lenskit.core.LenskitBinding: Explicitly bind to an instance.
TopNEntropyMetric - Class in org.grouplens.lenskit.eval.metrics.topn: Metric that measures the entropy of the top N recommendations across all users.
TopNEntropyMetric(String, String, int, ItemSelector, ItemSelector) - Constructor for class org.grouplens.lenskit.eval.metrics.topn.TopNEntropyMetric
TopNEntropyMetric.Builder - Class in org.grouplens.lenskit.eval.metrics.topn
TopNEntropyMetric.Context - Class in org.grouplens.lenskit.eval.metrics.topn
TopNEntropyMetric.Result - Class in org.grouplens.lenskit.eval.metrics.topn
TopNGlobalItemRecommender - Class in org.grouplens.lenskit.basic: A global item recommender that recommends the top N items from a scorer.
TopNGlobalItemRecommender(ItemDAO, GlobalItemScorer) - Constructor for class org.grouplens.lenskit.basic.TopNGlobalItemRecommender
TopNGlobalItemRecommender.Provider - Class in org.grouplens.lenskit.basic: An intelligent provider for Top-N global recommenders.
TopNItemRecommender - Class in org.grouplens.lenskit.basic: Recommender that recommends the top N items by a scorer.
TopNItemRecommender(UserEventDAO, ItemDAO, ItemScorer) - Constructor for class org.grouplens.lenskit.basic.TopNItemRecommender
TopNItemRecommender.Provider - Class in org.grouplens.lenskit.basic: An intelligent provider for Top-N recommenders.
TopNLengthMetric - Class in org.grouplens.lenskit.eval.metrics.topn: Metric that measures how long a TopN list actually is.
TopNLengthMetric(String, String, int, ItemSelector, ItemSelector) - Constructor for class org.grouplens.lenskit.eval.metrics.topn.TopNLengthMetric
TopNLengthMetric.Builder - Class in org.grouplens.lenskit.eval.metrics.topn: Build a Top-N length metric to measure Top-N lists.
TopNLengthMetric.Result - Class in org.grouplens.lenskit.eval.metrics.topn
TopNMetricBuilder<K> - Class in org.grouplens.lenskit.eval.metrics.topn
TopNMetricBuilder() - Constructor for class org.grouplens.lenskit.eval.metrics.topn.TopNMetricBuilder
TopNPopularityMetric - Class in org.grouplens.lenskit.eval.metrics.topn: Metric that measures how popular the items in the TopN list are.
TopNPopularityMetric(String, String, int, ItemSelector, ItemSelector) - Constructor for class org.grouplens.lenskit.eval.metrics.topn.TopNPopularityMetric
TopNPopularityMetric.Builder - Class in org.grouplens.lenskit.eval.metrics.topn
TopNPopularityMetric.Context - Class in org.grouplens.lenskit.eval.metrics.topn
TopNPopularityMetric.Result - Class in org.grouplens.lenskit.eval.metrics.topn
TopNScoredItemAccumulator - Class in org.grouplens.lenskit.util: Accumulate the top N scored IDs.
TopNScoredItemAccumulator(int) - Constructor for class org.grouplens.lenskit.util.TopNScoredItemAccumulator: Create a new accumulator to accumulate the top n IDs.
TopNTruncator - Class in org.grouplens.lenskit.transform.truncate: A VectorTruncator that will retain the top n entries.
TopNTruncator(int, Threshold) - Constructor for class org.grouplens.lenskit.transform.truncate.TopNTruncator
TopNTruncator(int) - Constructor for class org.grouplens.lenskit.transform.truncate.TopNTruncator
toString() - Method in class org.grouplens.lenskit.baseline.ConstantItemScorer
toString() - Method in class org.grouplens.lenskit.baseline.ItemMeanRatingItemScorer
toString() - Method in class org.grouplens.lenskit.baseline.UserMeanItemScorer
toString() - Method in class org.grouplens.lenskit.cli.InputData
toString() - Method in class org.grouplens.lenskit.data.dao.EventCollectionDAO
toString() - Method in class org.grouplens.lenskit.data.event.MutableRating
toString() - Method in class org.grouplens.lenskit.data.history.RatingVectorUserHistorySummarizer
toString() - Method in class org.grouplens.lenskit.data.pref.AbstractPreference
toString() - Method in class org.grouplens.lenskit.data.pref.PreferenceDomain
toString() - Method in class org.grouplens.lenskit.data.source.TextDataSource
toString() - Method in class org.grouplens.lenskit.eval.algorithm.AlgorithmInstance
toString() - Method in class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask
toString() - Method in class org.grouplens.lenskit.eval.data.traintest.GenericTTDataSet
toString() - Method in class org.grouplens.lenskit.eval.EvalAntTask
toString() - Method in class org.grouplens.lenskit.eval.traintest.ExternalAlgorithm
toString() - Method in class org.grouplens.lenskit.inject.PlaceholderSatisfaction
toString() - Method in class org.grouplens.lenskit.iterative.ErrorThresholdStoppingCondition
toString() - Method in class org.grouplens.lenskit.iterative.IterationCountStoppingCondition
toString() - Method in class org.grouplens.lenskit.iterative.ThresholdStoppingCondition
toString() - Method in class org.grouplens.lenskit.knn.item.ItemVectorSimilarity
toString() - Method in class org.grouplens.lenskit.knn.item.model.NormalizingItemItemModelBuilder
toString() - Method in class org.grouplens.lenskit.knn.item.model.SimilarityMatrixModel
toString() - Method in class org.grouplens.lenskit.knn.item.model.StandardVectorTruncatorProvider
toString() - Method in class org.grouplens.lenskit.knn.item.SimilaritySumNeighborhoodScorer
toString() - Method in class org.grouplens.lenskit.knn.item.WeightedAverageNeighborhoodScorer
toString() - Method in class org.grouplens.lenskit.knn.user.UserVectorSimilarity
toString() - Method in class org.grouplens.lenskit.mf.svd.DomainClampingKernel
toString() - Method in class org.grouplens.lenskit.mf.svd.DotProductKernel
toString() - Method in class org.grouplens.lenskit.mf.svd.MFModel
toString() - Method in class org.grouplens.lenskit.scored.AbstractScoredId
toString() - Method in class org.grouplens.lenskit.symbols.Symbol
toString() - Method in class org.grouplens.lenskit.symbols.TypedSymbol
toString() - Method in class org.grouplens.lenskit.transform.normalize.BaselineSubtractingUserVectorNormalizer
toString() - Method in class org.grouplens.lenskit.util.statistics.MeanAccumulator
toString() - Method in class org.grouplens.lenskit.vectors.similarity.CosineVectorSimilarity
toString() - Method in class org.grouplens.lenskit.vectors.similarity.PearsonCorrelation
toString() - Method in class org.grouplens.lenskit.vectors.similarity.SignificanceWeightedVectorSimilarity
toString() - Method in class org.grouplens.lenskit.vectors.SparseVector
toString() - Method in class org.grouplens.lenskit.vectors.Vec: Deprecated.
toString() - Method in class org.grouplens.lenskit.vectors.VectorEntry
trainFeature(int, TrainingEstimator, Vector, Vector, FeatureInfo.Builder) - Method in class org.grouplens.lenskit.mf.funksvd.FunkSVDModelBuilder: Train a feature using a collection of ratings.
TrainingEstimator - Class in org.grouplens.lenskit.mf.funksvd: Rating estimates used while training the predictor.
trainingItems() - Static method in class org.grouplens.lenskit.eval.metrics.topn.ItemSelectors: Item selector that selects training items.
TrainingLoopController - Interface in org.grouplens.lenskit.iterative: Training Loop controller for iterative updates
TrainModel - Class in org.grouplens.lenskit.cli
TrainModel(Namespace) - Constructor for class org.grouplens.lenskit.cli.TrainModel
TrainModelTask<T> - Class in org.grouplens.lenskit.eval: Train a recommender algorithmInfo and process it with a function.
TrainModelTask() - Constructor for class org.grouplens.lenskit.eval.TrainModelTask
TrainModelTask(String) - Constructor for class org.grouplens.lenskit.eval.TrainModelTask
TrainTestEvalTask - Class in org.grouplens.lenskit.eval.traintest: The command that run the algorithmInfo instance and output the prediction result file and the evaluation result file
TrainTestEvalTask() - Constructor for class org.grouplens.lenskit.eval.traintest.TrainTestEvalTask
TrainTestEvalTask(String) - Constructor for class org.grouplens.lenskit.eval.traintest.TrainTestEvalTask
transform(Cursor<S>, Function<? super S, ? extends T>) - Static method in class org.grouplens.lenskit.cursors.Cursors: Transform a cursor's values.
Transient - Annotation Type in org.grouplens.lenskit.core: Mark a component dependency as transient.
transparentlyDecompress(InputStream) - Static method in class org.grouplens.lenskit.util.io.LKFileUtils: Auto-detect whether a stream needs decompression.
trim() - Method in class org.grouplens.lenskit.collections.CompactableLongArrayList
truncate(MutableSparseVector) - Method in class org.grouplens.lenskit.transform.truncate.NoOpTruncator
truncate(MutableSparseVector) - Method in class org.grouplens.lenskit.transform.truncate.ThresholdTruncator
truncate(MutableSparseVector) - Method in class org.grouplens.lenskit.transform.truncate.TopNTruncator
truncate(MutableSparseVector) - Method in interface org.grouplens.lenskit.transform.truncate.VectorTruncator: Truncate a vector, removing any entries that do not satisfy some condition.
tryGetIndex(long) - Method in class org.grouplens.lenskit.indexes.IdIndexMapping: Try to get the index for an ID, returning a negative value if it does not exist.
tryGetIndex(long) - Method in class org.grouplens.lenskit.indexes.MutableIdIndexMapping
TTDataSet - Interface in org.grouplens.lenskit.eval.data.traintest: Interface for train-test data sets.
typeClosure(Class<?>) - Static method in class org.grouplens.lenskit.util.TypeUtils: Return the supertype closure of a type (the type and all its transitive supertypes).
TypedSymbol<K> - Class in org.grouplens.lenskit.symbols: A symbol associated with a particular type.
TypeUtils - Class in org.grouplens.lenskit.util: Various type utilities used in LensKit.
TypeUtils() - Constructor for class org.grouplens.lenskit.util.TypeUtils

U

unapply(MutableSparseVector) - Method in interface org.grouplens.lenskit.transform.normalize.VectorTransformation: Unapply the vector transformation in-place on a transformed vector.
union(ItemSelector, ItemSelector) - Static method in class org.grouplens.lenskit.eval.metrics.topn.ItemSelectors: selects any items selected by at least one of two other selectors.
unionSize(LongSortedSet, LongSortedSet) - Static method in class org.grouplens.lenskit.collections.LongUtils: Compute the size of the union of two sets.
UnitVectorNormalizer - Class in org.grouplens.lenskit.transform.normalize: Vector normalizer that scales a vector by the factor needed to scale the reference vector to a unit vector.
UnitVectorNormalizer() - Constructor for class org.grouplens.lenskit.transform.normalize.UnitVectorNormalizer: Create a unit vector normalizer with a tolerance of 1.0e-6.
UnitVectorNormalizer(double) - Constructor for class org.grouplens.lenskit.transform.normalize.UnitVectorNormalizer: Create a unit vector normalizer a specified tolerance around 0.
UnlimitedScoredItemAccumulator - Class in org.grouplens.lenskit.util: Scored item accumulator with no upper bound.
UnlimitedScoredItemAccumulator() - Constructor for class org.grouplens.lenskit.util.UnlimitedScoredItemAccumulator
unowned() - Method in class org.grouplens.lenskit.collections.LongKeyDomain: Mark this key set as unowned.
unqualified() - Method in interface org.grouplens.lenskit.core.LenskitBinding
unset(long) - Method in class org.grouplens.lenskit.vectors.MutableSparseVector: Unset the value for a key.
unset(VectorEntry) - Method in class org.grouplens.lenskit.vectors.MutableSparseVector: Unset the value for a vector entry.
unsetKeySet() - Method in class org.grouplens.lenskit.vectors.SparseVector: Get the set of unset keys.
unsetLessThan(double) - Method in class org.grouplens.lenskit.vectors.MutableSparseVector: Unset all values less than a threshold.
unshared() - Method in interface org.grouplens.lenskit.core.LenskitBinding
update(AVector, AVector) - Method in class org.grouplens.lenskit.mf.funksvd.TrainingEstimator: Update the current estimates with trained values for a new feature.
upperBound(long) - Method in class org.grouplens.lenskit.collections.LongKeyDomain: Get the upper bound, the first index whose key is greater than the specified key.
UpToDateChecker - Class in org.grouplens.lenskit.util.io: Utility class for detecting if a file is up-to-date.
UpToDateChecker() - Constructor for class org.grouplens.lenskit.util.io.UpToDateChecker
user - Variable in class org.grouplens.lenskit.data.pref.PreferenceBuilder
user(long) - Static method in class org.grouplens.lenskit.data.sql.QueryKey
user() - Static method in class org.grouplens.lenskit.data.text.Fields: The user ID field.
User(EventDAO) - Constructor for class org.grouplens.lenskit.eval.traintest.CachingDAOProvider.User
user - Variable in class org.grouplens.lenskit.knn.user.Neighbor
USER_TIME_COMPARATOR - Static variable in class org.grouplens.lenskit.data.event.Events: Compare two events by user, then timestamp.
userCount - Variable in class org.grouplens.lenskit.mf.svd.MFModel
UserDAO - Interface in org.grouplens.lenskit.data.dao: DAO for users.
UserEvent(EventDAO) - Constructor for class org.grouplens.lenskit.eval.traintest.CachingDAOProvider.UserEvent
userEventDAO - Variable in class org.grouplens.lenskit.basic.TopNItemRecommender
UserEventDAO - Interface in org.grouplens.lenskit.data.dao: DAO to retrieve events by user.
UserFile - Annotation Type in org.grouplens.lenskit.data.dao: Deprecated.
Use org.grouplens.lenskit.data.text instead.
UserFile - Annotation Type in org.grouplens.lenskit.data.text: User list file for SimpleFileUserDAOProvider.
UserHistory<E extends Event> - Interface in org.grouplens.lenskit.data.history: Represents a user profile, associating an immutable list of events with a user.
UserHistorySummarizer - Interface in org.grouplens.lenskit.data.history: Summarize user histories as real-valued vectors.
userIndex() - Method in class org.grouplens.lenskit.data.snapshot.PackedPreferenceSnapshot
userIndex() - Method in interface org.grouplens.lenskit.data.snapshot.PreferenceSnapshot: Get the user ID index.
userIndex - Variable in class org.grouplens.lenskit.mf.svd.MFModel
userList() - Static method in class org.grouplens.lenskit.data.sql.QueryKey
UserListUserDAO - Class in org.grouplens.lenskit.data.dao: A user DAO that stores a precomputed list of users.
UserListUserDAO(Collection<Long>) - Constructor for class org.grouplens.lenskit.data.dao.UserListUserDAO
userMAE - Variable in class org.grouplens.lenskit.eval.metrics.predict.MAEPredictMetric.AggregateResult
userMatrix - Variable in class org.grouplens.lenskit.mf.svd.MFModel
UserMeanBaseline - Annotation Type in org.grouplens.lenskit.baseline: Baseline scores for user mean ratings.
UserMeanItemScorer - Class in org.grouplens.lenskit.baseline: Rating scorer that returns the user's average rating for all predictions.
UserMeanItemScorer(UserEventDAO, ItemScorer, UserHistorySummarizer, double) - Constructor for class org.grouplens.lenskit.baseline.UserMeanItemScorer: Construct a scorer that computes user means offset by the global mean.
userPreferenceVector(Collection<? extends Preference>) - Static method in class org.grouplens.lenskit.data.pref.Preferences: Compute a user preference vector.
userRatingVector(Collection<? extends Rating>) - Static method in class org.grouplens.lenskit.data.event.Ratings: Construct a rating vector that contains the ratings provided for each item.
userRatingVector(Cursor<? extends Rating>) - Static method in class org.grouplens.lenskit.data.event.Ratings: Extract a user rating vector from a rating cursor.
userRatingVector(long) - Method in class org.grouplens.lenskit.data.snapshot.AbstractPreferenceSnapshot
userRatingVector(long) - Method in interface org.grouplens.lenskit.data.snapshot.PreferenceSnapshot: Get the current preferences of a particular user in SparseVector form.
UserResult(double) - Constructor for class org.grouplens.lenskit.eval.metrics.predict.MAEPredictMetric.UserResult
UserResult(double) - Constructor for class org.grouplens.lenskit.eval.metrics.predict.RMSEPredictMetric.UserResult
UserResult(double, boolean) - Constructor for class org.grouplens.lenskit.eval.metrics.topn.MAPTopNMetric.UserResult
UserResult(Integer) - Constructor for class org.grouplens.lenskit.eval.metrics.topn.MRRTopNMetric.UserResult
userRMSE - Variable in class org.grouplens.lenskit.eval.metrics.predict.RMSEPredictMetric.AggregateResult
UserSimilarity - Interface in org.grouplens.lenskit.knn.user: Compute the similarity between two users.
UserSimilarityThreshold - Annotation Type in org.grouplens.lenskit.knn.user: Qualifier for threshold applied to user similarities.
UserSnapshot - Class in org.grouplens.lenskit.knn.user: User snapshot used by SnapshotNeighborFinder.
UserSnapshot.Builder - Class in org.grouplens.lenskit.knn.user
UserUserItemScorer - Class in org.grouplens.lenskit.knn.user
UserUserItemScorer(UserEventDAO, NeighborFinder, UserVectorNormalizer, int, int, Threshold) - Constructor for class org.grouplens.lenskit.knn.user.UserUserItemScorer
UserVectorNormalizer - Interface in org.grouplens.lenskit.transform.normalize: Normalize a user's vector.
UserVectorSimilarity - Class in org.grouplens.lenskit.knn.user: Implementation of UserSimilarity that delegates to a vector similarity.
UserVectorSimilarity(VectorSimilarity) - Constructor for class org.grouplens.lenskit.knn.user.UserVectorSimilarity
useTimestamps() - Method in class org.grouplens.lenskit.cli.PackRatings
UseTimestamps - Annotation Type in org.grouplens.lenskit.data.event: Parameter controlling whether a component is supposed to use timestamps.
utility - Variable in class org.grouplens.lenskit.eval.metrics.predict.HLUtilityPredictMetric.Result
utility - Variable in class org.grouplens.lenskit.eval.metrics.predict.NDCGPredictMetric.Result

V

value - Variable in class org.grouplens.lenskit.data.pref.PreferenceBuilder
value(String) - Method in interface org.grouplens.lenskit.util.table.Row: Get the value at a particular column.
value(int) - Method in interface org.grouplens.lenskit.util.table.Row: Get the value at a particular column.
ValueArrayQuantizer - Class in org.grouplens.lenskit.transform.quantize: Abstract quantizer implementation using a pre-generated array of possible values.
ValueArrayQuantizer(double[]) - Constructor for class org.grouplens.lenskit.transform.quantize.ValueArrayQuantizer: Construct a new quantizer using the specified array of values.
ValueArrayQuantizer(ImmutableVector) - Constructor for class org.grouplens.lenskit.transform.quantize.ValueArrayQuantizer
valueOf(String) - Static method in enum org.grouplens.lenskit.baseline.ScoreSource: Returns the enum constant of this type with the specified name.
valueOf(String) - Static method in enum org.grouplens.lenskit.core.EngineValidationMode: Returns the enum constant of this type with the specified name.
valueOf(String) - Static method in enum org.grouplens.lenskit.core.ModelDisposition: Returns the enum constant of this type with the specified name.
valueOf(String) - Static method in enum org.grouplens.lenskit.data.dao.packed.BinaryFormatFlag: Returns the enum constant of this type with the specified name.
valueOf(String) - Static method in enum org.grouplens.lenskit.data.dao.SortOrder: Returns the enum constant of this type with the specified name.
valueOf(String) - Static method in enum org.grouplens.lenskit.data.sql.QueryKey.Type: Returns the enum constant of this type with the specified name.
valueOf(String) - Static method in enum org.grouplens.lenskit.eval.data.crossfold.CrossfoldMethod: Returns the enum constant of this type with the specified name.
valueOf(String) - Static method in enum org.grouplens.lenskit.eval.data.subsample.SubsampleMode: Returns the enum constant of this type with the specified name.
valueOf(String) - Static method in enum org.grouplens.lenskit.util.io.CompressionMode: Returns the enum constant of this type with the specified name.
valueOf(String) - Static method in enum org.grouplens.lenskit.vectors.VectorEntry.State: Returns the enum constant of this type with the specified name.
values() - Static method in enum org.grouplens.lenskit.baseline.ScoreSource: Returns an array containing the constants of this enum type, in the order they are declared.
values() - Static method in enum org.grouplens.lenskit.core.EngineValidationMode: Returns an array containing the constants of this enum type, in the order they are declared.
values() - Static method in enum org.grouplens.lenskit.core.ModelDisposition: Returns an array containing the constants of this enum type, in the order they are declared.
values() - Static method in enum org.grouplens.lenskit.data.dao.packed.BinaryFormatFlag: Returns an array containing the constants of this enum type, in the order they are declared.
values() - Static method in enum org.grouplens.lenskit.data.dao.SortOrder: Returns an array containing the constants of this enum type, in the order they are declared.
values() - Static method in enum org.grouplens.lenskit.data.sql.QueryKey.Type: Returns an array containing the constants of this enum type, in the order they are declared.
values() - Static method in enum org.grouplens.lenskit.eval.data.crossfold.CrossfoldMethod: Returns an array containing the constants of this enum type, in the order they are declared.
values() - Static method in enum org.grouplens.lenskit.eval.data.subsample.SubsampleMode: Returns an array containing the constants of this enum type, in the order they are declared.
values - Variable in class org.grouplens.lenskit.transform.quantize.ValueArrayQuantizer: The values to quantize to.
values() - Static method in enum org.grouplens.lenskit.util.io.CompressionMode: Returns an array containing the constants of this enum type, in the order they are declared.
values() - Method in class org.grouplens.lenskit.vectors.SparseVector: Get the collection of values of this vector.
values() - Static method in enum org.grouplens.lenskit.vectors.VectorEntry.State: Returns an array containing the constants of this enum type, in the order they are declared.
Vec - Class in org.grouplens.lenskit.vectors: Deprecated.
Use vectorz instead.
vec1 - Variable in class org.grouplens.lenskit.knn.item.model.ItemItemBuildContext.ItemVecPair
vec2 - Variable in class org.grouplens.lenskit.knn.item.model.ItemItemBuildContext.ItemVecPair
vector - Variable in class org.grouplens.lenskit.knn.user.Neighbor
VectorEntry - Class in org.grouplens.lenskit.vectors: An entry in a sparse vector.
VectorEntry.State - Enum in org.grouplens.lenskit.vectors: The state of an entry in a sparse vector.
VectorNormalizer - Interface in org.grouplens.lenskit.transform.normalize: Normalize vectors by applying a reversible transformation with respect to a reference vector.
Vectors - Class in org.grouplens.lenskit.vectors: Utility methods for interacting with vectors.
VectorSimilarity - Interface in org.grouplens.lenskit.vectors.similarity: Compute the similarity between sparse vectors.
VectorTransformation - Interface in org.grouplens.lenskit.transform.normalize: Reversible in-place vector transformations.
VectorTruncator - Interface in org.grouplens.lenskit.transform.truncate: Component that truncates vectors.
Version - Class in org.grouplens.lenskit.cli
Version(Namespace) - Constructor for class org.grouplens.lenskit.cli.Version
view(VectorEntry.State) - Method in class org.grouplens.lenskit.vectors.SparseVector: Get a collection view of a vector entry.
visit(SatisfactionVisitor<T>) - Method in class org.grouplens.lenskit.inject.PlaceholderSatisfaction

W

wantedType - Variable in class org.grouplens.lenskit.data.history.EventCountUserHistorySummarizer
weakMemoize(Supplier<T>) - Static method in class org.grouplens.lenskit.util.MoreSuppliers: Weakly memoize a supplier.
WeightedAverageNeighborhoodScorer - Class in org.grouplens.lenskit.knn.item: Neighborhood scorer that computes the weighted average of neighbor scores.
WeightedAverageNeighborhoodScorer() - Constructor for class org.grouplens.lenskit.knn.item.WeightedAverageNeighborhoodScorer
WeightedSlopeOneItemScorer - Class in org.grouplens.lenskit.slopeone: An ItemScorer that implements a weighted Slope One algorithm.
WeightedSlopeOneItemScorer(UserEventDAO, SlopeOneModel, PreferenceDomain) - Constructor for class org.grouplens.lenskit.slopeone.WeightedSlopeOneItemScorer
withAnyQualifier() - Method in interface org.grouplens.lenskit.core.LenskitBinding
withDomain(LongSet) - Method in class org.grouplens.lenskit.vectors.MutableSparseVector: Create a new version of this MutableSparseVector that has a different domain from the current version of the vector.
within(Class<?>) - Method in class org.grouplens.lenskit.config.BindingDSL
within(Class<?>, Closure<?>) - Method in class org.grouplens.lenskit.config.BindingDSL: Enclose a block of configuration in a context.
within(Class<? extends Annotation>, Class<?>) - Method in class org.grouplens.lenskit.config.BindingDSL
within(Class<? extends Annotation>, Class<?>, Closure<?>) - Method in class org.grouplens.lenskit.config.BindingDSL: Enclose a block of configuration in a context.
within(Annotation, Class<?>) - Method in class org.grouplens.lenskit.config.BindingDSL
within(Annotation, Class<?>, Closure<?>) - Method in class org.grouplens.lenskit.config.BindingDSL: Enclose a block of configuration in a context.
within(Class<?>) - Method in interface org.grouplens.lenskit.core.LenskitConfigContext
within(Class<? extends Annotation>, Class<?>) - Method in interface org.grouplens.lenskit.core.LenskitConfigContext
within(Annotation, Class<?>) - Method in interface org.grouplens.lenskit.core.LenskitConfigContext
within(Class<?>) - Method in class org.grouplens.lenskit.core.LenskitConfiguration
within(Class<? extends Annotation>, Class<?>) - Method in class org.grouplens.lenskit.core.LenskitConfiguration
within(Annotation, Class<?>) - Method in class org.grouplens.lenskit.core.LenskitConfiguration
withQualifier(Class<? extends Annotation>) - Method in interface org.grouplens.lenskit.core.LenskitBinding
withQualifier(Annotation) - Method in interface org.grouplens.lenskit.core.LenskitBinding
withType(Class<T>) - Method in class org.grouplens.lenskit.symbols.Symbol: Make a typed symbol from this symbol.
withValue(K) - Method in class org.grouplens.lenskit.symbols.TypedSymbol: Create a value paired with this symbol.
wrap(long[], int, boolean) - Static method in class org.grouplens.lenskit.collections.LongKeyDomain: Wrap a key array (with a specified size) into a key set.
wrap(Iterator<? extends T>) - Static method in class org.grouplens.lenskit.cursors.Cursors: Wrap an iterator in a cursor.
wrap(Collection<? extends T>) - Static method in class org.grouplens.lenskit.cursors.Cursors: Wrap a collection in a cursor.
wrap(long[], double[]) - Static method in class org.grouplens.lenskit.vectors.MutableSparseVector: Wrap key and value arrays in a sparse vector.
wrap(long[], double[], int) - Static method in class org.grouplens.lenskit.vectors.MutableSparseVector: Wrap key and value arrays in a sparse vector.
wrap(LongArrayList, DoubleArrayList) - Static method in class org.grouplens.lenskit.vectors.MutableSparseVector: Wrap key and value array lists in a mutable sparse vector.
wrap(double[]) - Static method in class org.grouplens.lenskit.vectors.MutableVec: Deprecated.

Create a new vector wrapping an existing array.
wrapContext(Context) - Static method in class org.grouplens.lenskit.inject.AbstractConfigContext: Coerce a Grapht context to a LensKit context.
wrapInput(InputStream) - Method in enum org.grouplens.lenskit.util.io.CompressionMode: Wrap an input stream in a decompressor.
wrapOutput(OutputStream) - Method in enum org.grouplens.lenskit.util.io.CompressionMode: Wrap an output stream in this compression mode.
wrapper() - Static method in class org.grouplens.lenskit.data.dao.PrefetchingItemDAO: A function that wraps an event DAO in a prefetching item DAO.
wrapper() - Static method in class org.grouplens.lenskit.data.dao.PrefetchingItemEventDAO: A function that wraps an event DAO in a prefetching item event DAO.
wrapper() - Static method in class org.grouplens.lenskit.data.dao.PrefetchingUserDAO: A function that wraps an event DAO in a prefetching user DAO.
wrapper() - Static method in class org.grouplens.lenskit.data.dao.PrefetchingUserEventDAO: A function that wraps an event DAO in a prefetching user event DAO.
wrapUnsorted(long[], double[]) - Static method in class org.grouplens.lenskit.vectors.MutableSparseVector: Create a new MutableSparseVector from unsorted key and value arrays.
write(File) - Method in class org.grouplens.lenskit.core.LenskitRecommenderEngine: Write the state of this LenskitRecommenderEngine to the given file so that it can be recreated later using another DAOFactory.
write(File, CompressionMode) - Method in class org.grouplens.lenskit.core.LenskitRecommenderEngine: Write the state of this LenskitRecommenderEngine to the given file so that it can be recreated later using another DAOFactory.
write(OutputStream) - Method in class org.grouplens.lenskit.core.LenskitRecommenderEngine: Write the state of this LenskitRecommenderEngine to the given stream so that it can be recreated later using another DAOFactory.
writeBuffer(WritableByteChannel, ByteBuffer) - Static method in class org.grouplens.lenskit.data.dao.packed.BinaryUtils: Write a buffer completely to the channel.
writeBuffer(FileChannel, ByteBuffer, long) - Static method in class org.grouplens.lenskit.data.dao.packed.BinaryUtils: Write a buffer completely to a position in a file.
writeRating(Rating) - Method in class org.grouplens.lenskit.data.dao.packed.BinaryRatingPacker
writeRating(TableWriter, Rating) - Method in class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask: Writing a rating event to the file using table writer
writeRating(Rating) - Method in interface org.grouplens.lenskit.eval.data.RatingWriter: Write a rating to the writer.
writeRatings(Iterable<? extends Rating>) - Method in class org.grouplens.lenskit.data.dao.packed.BinaryRatingPacker
writeRow(List<?>) - Method in class org.grouplens.lenskit.util.table.TableBuilder
writeRow(Object...) - Method in class org.grouplens.lenskit.util.table.writer.AbstractTableWriter: Write a row to the table.
writeRow(List<?>) - Method in class org.grouplens.lenskit.util.table.writer.CSVWriter
writeRow(Object...) - Method in class org.grouplens.lenskit.util.table.writer.MultiplexedTableWriter
writeRow(List<?>) - Method in class org.grouplens.lenskit.util.table.writer.MultiplexedTableWriter
writeRow(Object...) - Method in interface org.grouplens.lenskit.util.table.writer.TableWriter: Write a row to the table.
writeRow(List<?>) - Method in interface org.grouplens.lenskit.util.table.writer.TableWriter: Write a row to the table.
writeTTFilesByRatings(RatingWriter[], RatingWriter[]) - Method in class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask: Write the split files by Ratings from the DAO
writeTTFilesByUsers(RatingWriter[], RatingWriter[]) - Method in class org.grouplens.lenskit.eval.data.crossfold.CrossfoldTask: Write the split files by Users from the DAO using specified holdout method

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