C# Class MyMediaLite.Correlation.BinaryCosine

Class for storing cosine similarities

http://en.wikipedia.org/wiki/Cosine_similarity

Inheritance: BinaryDataCorrelationMatrix

Public Methods

Method	Description
BinaryCosine ( CorrelationMatrix correlation_matrix ) : System	Copy constructor. Creates an object of type Cosine from an existing correlation matrix
BinaryCosine ( int num_entities ) : System	Creates an object of type Cosine
ComputeCorrelation ( HashSet vector_i, HashSet vector_j ) : float	Computes the cosine similarity of two binary vectors
ComputeCorrelations ( IBooleanMatrix entity_data ) : void
Create ( IBooleanMatrix vectors ) : CorrelationMatrix	Creates a Cosine similarity matrix from given data

Copy constructor. Creates an object of type Cosine from an existing correlation matrix

public BinaryCosine ( CorrelationMatrix correlation_matrix ) : System
correlation_matrix	CorrelationMatrix	the correlation matrix to copy
return	System

Creates an object of type Cosine

public BinaryCosine ( int num_entities ) : System
num_entities	int	the number of entities
return	System

Computes the cosine similarity of two binary vectors

public static ComputeCorrelation ( HashSet vector_i, HashSet vector_j ) : float
vector_i	HashSet	the first vector
vector_j	HashSet	the second vector
return	float

public ComputeCorrelations ( IBooleanMatrix entity_data ) : void
entity_data	IBooleanMatrix
return	void

Creates a Cosine similarity matrix from given data

public static Create ( IBooleanMatrix vectors ) : CorrelationMatrix
vectors	IBooleanMatrix	the boolean data
return	CorrelationMatrix