C# Class MyMediaLite.ItemRecommendation.BalancedLogisticRegressionMatrixFactorization

Matrix factorization model optimized for balanced logistic regression.

Inheritance: BPRMF_KDD

Exibir arquivo Open project: zenogantner/MML-KDD

Public Methods

Method	Description
ComputeLoss ( ) : double
Predict ( int user_id, int item_id ) : double
ToString ( ) : string

Protected Methods

Method	Description
UpdateFactors ( int u, int i, int j, bool update_u, bool update_i, bool update_j ) : void

Method Details

ComputeLoss() public method

public ComputeLoss ( ) : double
return	double

Predict() public method

public Predict ( int user_id, int item_id ) : double
user_id	int
item_id	int
return	double

ToString() public method

public ToString ( ) : string
return	string

UpdateFactors() protected method

protected UpdateFactors ( int u, int i, int j, bool update_u, bool update_i, bool update_j ) : void
u	int
i	int
j	int
update_u	bool
update_i	bool
update_j	bool
return	void