org.ai_heuristic.eval.text

Class CfIdf

java.lang.Object

org.ai_heuristic.eval.text.BowHeuristic

org.ai_heuristic.eval.text.Idf

org.ai_heuristic.eval.text.CfIdf

public class CfIdf
extends Idf

This class calculates the term frequency times the inverse document frequency for the specified list of text files.

Author:

Kieran Greer

Field Summary

Fields inherited from class org.ai_heuristic.eval.text.BowHeuristic

termCount, termList

Constructor Summary

Constructors

Constructor and Description
CfIdf() Create a new instance of CfIdf.

Method Summary

Modifier and Type	Method and Description
java.util.HashMap<java.lang.String,java.lang.Float>	calcCFIDF(java.util.ArrayList<BagOfWords> bowList) Create the term frequency times the inverse term document frequency for the selected documents.

Methods inherited from class org.ai_heuristic.eval.text.Idf

calcIDF

Methods inherited from class org.ai_heuristic.eval.text.BowHeuristic

createBoW, createBoW, getTermCount, sortTermOrder, sortTopTermOrder

Methods inherited from class java.lang.Object

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

Constructor Detail

CfIdf

public CfIdf()

Create a new instance of CfIdf.

Method Detail

calcCFIDF

public java.util.HashMap<java.lang.String,java.lang.Float> calcCFIDF(java.util.ArrayList<BagOfWords> bowList)
                                                              throws java.lang.Exception

Create the term frequency times the inverse term document frequency for the selected documents.

Parameters:

bowList - list of bag or words to process.

Returns:

the calculated term frequency times idf scores.

Throws:

java.lang.Exception - any error.