com.ibm.able.beans.decisiontree
Class EvaluationMetric

java.lang.Object
  com.ibm.able.beans.decisiontree.EvaluationMetric

public class EvaluationMetric

extends java.lang.Object

class EvaluationMetric

Method Summary

float	chiSquare() chiSquare
float	contextInfo() contextInfo
float	gainRatio(int feat, int sampleSize, int[] countClass, int[][] countClassF) gainRatio
float	gini() gini
float	intraInterDist() intraInterDist
float	laplace() laplace
float	log2(double n) log2
float	relief() relief
int	selectBestFeat(int first, int last, boolean[] testedFeats) selectBestFeat

Methods inherited from class java.lang.Object

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

Method Detail

selectBestFeat

public int selectBestFeat(int first,
                          int last,
                          boolean[] testedFeats)

selectBestFeat

gainRatio

public float gainRatio(int feat,
                       int sampleSize,
                       int[] countClass,
                       int[][] countClassF)

gainRatio

chiSquare

public float chiSquare()

chiSquare

gini

public float gini()

gini

laplace

public float laplace()

laplace

relief

public float relief()

relief

contextInfo

public float contextInfo()

contextInfo

intraInterDist

public float intraInterDist()

intraInterDist

log2

public float log2(double n)

log2