Package org.lenskit.bias

User-item bias models, suitable for use in baseline scorers and normalizers.

See: Description

Interface Summary

Interface	Description
BiasModel	Interface for bias models that can be based on the user, item, or both.

Class Summary

Class	Description
BiasItemScorer	Score items using a user-item bias model.
GlobalAverageRatingBiasModelProvider	Compute a bias model with the global average rating.
GlobalBiasModel	Bias model that only uses a global bias.
ItemAverageRatingBiasModelProvider	Compute a bias model that returns items’ average ratings.
ItemBiasModel	Bias model that provides global and item biases.
LiveUserItemBiasModel	Bias model that provides global, user, and item biases.
UserAverageRatingBiasModelProvider	Compute a bias model that returns users’ average ratings.
UserBiasModel	Bias model that provides global and user biases.
UserItemAverageRatingBiasModelProvider	Compute a bias model with users’ average ratings.
UserItemBiasModel	Bias model that provides global, user, and item biases.
ZeroBiasModel	A bias model that always returns zeros.

Annotation Types Summary

Annotation Type	Description
BiasDamping	Damping parameter for bias models.

Package org.lenskit.bias Description

User-item bias models, suitable for use in baseline scorers and normalizers.