C# Class MyMediaLite.AttrToFactor.BPRMF_UserMapping_Optimal

User attribute to latent factor mapping for BPR-MF, optimized for BPR loss

Inheritance: BPRMF_UserMapping

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Public Methods

Method	Description
IterateMapping ( ) : void
LearnAttributeToFactorMapping ( ) : void
ToString ( ) : string

Protected Methods

Method	Description
MapUserToLatentFactorSpace ( ICollection user_attributes ) : double[]
UpdateMappingFactors ( int u, int i, int j ) : void	update the mapping factors for a given user and an item pair

Method Details

IterateMapping() public method

public IterateMapping ( ) : void
return	void

LearnAttributeToFactorMapping() public method

public LearnAttributeToFactorMapping ( ) : void
return	void

MapUserToLatentFactorSpace() protected method

protected MapUserToLatentFactorSpace ( ICollection user_attributes ) : double[]
user_attributes	ICollection
return	double[]

ToString() public method

public ToString ( ) : string
return	string

UpdateMappingFactors() protected method

update the mapping factors for a given user and an item pair

protected UpdateMappingFactors ( int u, int i, int j ) : void
u	int	the user ID
i	int	the first item ID
j	int	the second item ID
return	void