org.lenskit.mf.funksvd

Class FunkSVDUpdateRule

java.lang.Object

org.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, org.lenskit.api.ItemScorer bl, org.lenskit.data.ratings.PreferenceDomain dom, org.grouplens.lenskit.iterative.StoppingCondition stop) Construct a new FunkSVD configuration.

Method Summary

Modifier and Type	Method and Description
FunkSVDUpdater	createUpdater()
org.lenskit.data.ratings.PreferenceDomain	getDomain()
double	getLearningRate()
org.grouplens.lenskit.iterative.StoppingCondition	getStoppingCondition()
org.grouplens.lenskit.iterative.TrainingLoopController	getTrainingLoopController()
double	getTrainingRegularization()
TrainingEstimator	makeEstimator(org.lenskit.data.ratings.RatingMatrix 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
                                  org.lenskit.api.ItemScorer bl,
                                  @Nullable
                                  org.lenskit.data.ratings.PreferenceDomain dom,
                                  org.grouplens.lenskit.iterative.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(org.lenskit.data.ratings.RatingMatrix 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 org.grouplens.lenskit.iterative.StoppingCondition getStoppingCondition()

getDomain

@Nullable
public org.lenskit.data.ratings.PreferenceDomain getDomain()

getTrainingLoopController

public org.grouplens.lenskit.iterative.TrainingLoopController getTrainingLoopController()

createUpdater

public FunkSVDUpdater createUpdater()