org.carrot2.text.vsm
Class TermDocumentMatrixReducer

java.lang.Object
  org.carrot2.text.vsm.TermDocumentMatrixReducer

public class TermDocumentMatrixReducer
extends Object

Reduces the dimensionality of a term-document matrix using a matrix factorization algorithm.

Field Summary

IMatrixFactorizationFactory	factorizationFactory Factorization method.
IterationNumberGuesser.FactorizationQuality	factorizationQuality Factorization quality.

Constructor Summary

TermDocumentMatrixReducer()

Method Summary

void	reduce(ReducedVectorSpaceModelContext context, int dimensions) Performs the reduction.

Methods inherited from class java.lang.Object

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

Field Detail

factorizationFactory

public IMatrixFactorizationFactory factorizationFactory

Factorization method. The method to be used to factorize the term-document matrix and create base vectors that will give rise to cluster labels.

Attribute label:

Factorization method

Attribute level:

Advanced

Attribute group:

Matrix model

factorizationQuality

public IterationNumberGuesser.FactorizationQuality factorizationQuality

Factorization quality. The number of iterations of matrix factorization to perform. The higher the required quality, the more time-consuming clustering.

Attribute label:

Factorization quality

Attribute level:

Advanced

Attribute group:

Matrix model

Constructor Detail

TermDocumentMatrixReducer

public TermDocumentMatrixReducer()

Method Detail

reduce

public void reduce(ReducedVectorSpaceModelContext context,
                   int dimensions)

Performs the reduction.