modnlp.tc.tsr

Class DocumentFrequency

java.lang.Object

modnlp.tc.tsr.TermFilter

modnlp.tc.tsr.DocumentFrequency

public class DocumentFrequency
extends TermFilter

A simple implementation of Term Space Reduction for Text Categorisation based on frequency of documents in which a given feature occurs...

See Also:

IndentationHandler

Constructor Summary

Constructors

Constructor and Description
DocumentFrequency()

Method Summary

Methods

Modifier and Type	Method and Description
void	computeGlobalDocFrequency()
double	computeLocalTermScore(java.lang.String term, java.lang.String cat) All Term Filters must implement computeLocalTermScore()

Methods inherited from class modnlp.tc.tsr.TermFilter

computeGlobalScoresMAX, computeGlobalScoresSUM, computeGlobalScoresWAVG, computeLocalScores, getReducedFreqList, getReducedTermSet, getSortedScores, getWsp, initialise, setWsp

Methods inherited from class java.lang.Object

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

Constructor Detail

DocumentFrequency

public DocumentFrequency()

Method Detail

computeLocalTermScore

public double computeLocalTermScore(java.lang.String term,
                           java.lang.String cat)

Description copied from class: TermFilter

All Term Filters must implement computeLocalTermScore()

computeGlobalDocFrequency

public void computeGlobalDocFrequency()