Package org.lenskit.baseline

Baseline scorers.

See: Description

Class Summary

Class	Description
GlobalMeanRatingItemScorer	Item scorer that scores every item with the global mean rating.
ItemMeanRatingItemScorer	Rating scorer that returns the item’s mean rating for all predictions.
LeastSquaresItemScorer	Baseline scorer using least-squares estimates of preferences, trained by gradient descent.
LeastSquaresItemScorer.Builder	The builder for the least squares predictor.
UserMeanItemScorer	Rating scorer that returns the user’s average rating for all predictions.

Annotation Types Summary

Annotation Type	Description
BaselineScorer	Annotation for the baseline scorer of a stacked item scorer, or an item scorer used as a baseline in another component.
MeanDamping	Damping parameter for means in baseline predictors.
UserMeanBaseline	Baseline scores for user mean ratings.

Package org.lenskit.baseline Description

Baseline scorers. This package provides basic mean baselines for scoring items in simple ways.