org.lenskit.bias

Class UserBiasModel

java.lang.Object

org.lenskit.bias.UserItemBiasModel

org.lenskit.bias.UserBiasModel

All Implemented Interfaces:

Serializable, BiasModel

@Shareable
 @Immutable
 @DefaultProvider(value=UserAverageRatingBiasModelProvider.class)
public class UserBiasModel
extends UserItemBiasModel

Bias model that provides global and user biases. The user biases are precomputed and are not refreshed based on user data added since the model build.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
UserBiasModel(double global, Long2DoubleMap users) Construct a new user bias model.

Method Summary

Methods inherited from class org.lenskit.bias.UserItemBiasModel

getIntercept, getItemBias, getItemBiases, getUserBias, getUserBiases

Methods inherited from class java.lang.Object

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

Constructor Detail

UserBiasModel

public UserBiasModel(double global,
                     Long2DoubleMap users)

Construct a new user bias model.

Parameters:

global - The global bias.

users - The user biases.