Package org.lenskit.eval.traintest.predict

Prediction accuracy measurements for the train-test evaluator.

See: Description

Class Summary

Class	Description
CoveragePredictMetric	Simple evaluator that records user, rating and prediction counts and computes recommender coverage over the queried items.
CoveragePredictMetric.AggregateCoverage
CoveragePredictMetric.Coverage
MAEPredictMetric	Evaluate a recommender’s prediction accuracy with MAE (Mean Absolute Error).
NDCGPredictMetric	Evaluate a recommender’s predictions with normalized discounted cumulative gain.
NDCGPredictMetric.Spec	Specification for configuring nDCG metrics.
PredictEvalTask	An eval task that attempts to predict the user’s test ratings.
PredictMetric<X>	Base class for metrics that measure predictions for users.
RMSEPredictMetric	Evaluate a recommender’s prediction accuracy with RMSE.

Package org.lenskit.eval.traintest.predict Description

Prediction accuracy measurements for the train-test evaluator.