org.grouplens.lenskit.mf.funksvd

Class FunkSVDUpdateRule

java.lang.Object

org.grouplens.lenskit.mf.funksvd.FunkSVDUpdateRule

All Implemented Interfaces:

Serializable

@Shareable
public final class FunkSVDUpdateRule
extends Object
implements Serializable

Configuration for computing FunkSVD updates.

Since:

1.0

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
FunkSVDUpdateRule(double lrate, double reg, ItemScorer bl, PreferenceDomain dom, StoppingCondition stop) Construct a new FunkSVD configuration.

Method Summary

Modifier and Type	Method and Description
FunkSVDUpdater	createUpdater()
PreferenceDomain	getDomain()
double	getLearningRate()
StoppingCondition	getStoppingCondition()
TrainingLoopController	getTrainingLoopController()
double	getTrainingRegularization()
TrainingEstimator	makeEstimator(PreferenceSnapshot snapshot) Create an estimator to use while training the recommender.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

FunkSVDUpdateRule

@Inject
public FunkSVDUpdateRule(@LearningRate
                                 double lrate,
                                 @RegularizationTerm
                                 double reg,
                                 @BaselineScorer
                                 ItemScorer bl,
                                 @Nullable
                                 PreferenceDomain dom,
                                 StoppingCondition stop)

Construct a new FunkSVD configuration.

Parameters:

lrate - The learning rate.

reg - The regularization term.

stop - The stopping condition

Method Detail

makeEstimator

public TrainingEstimator makeEstimator(PreferenceSnapshot snapshot)

Create an estimator to use while training the recommender.

Returns:

The estimator to use.

getLearningRate

public double getLearningRate()

getTrainingRegularization

public double getTrainingRegularization()

getStoppingCondition

public StoppingCondition getStoppingCondition()

getDomain

@Nullable
public PreferenceDomain getDomain()

getTrainingLoopController

public TrainingLoopController getTrainingLoopController()

createUpdater

public FunkSVDUpdater createUpdater()