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Class weka.classifiers.j48.EntropySplitCrit

java.lang.Object
    |
    +----weka.classifiers.j48.SplitCriterion
            |
            +----weka.classifiers.j48.EntropyBasedSplitCrit
                    |
                    +----weka.classifiers.j48.EntropySplitCrit

public final class EntropySplitCrit
extends EntropyBasedSplitCrit
Class for computing the entropy for a given distribution.

Version:
$Revision: 1.4 $
Author:
Eibe Frank (eibe@cs.waikato.ac.nz)

Constructor Index

 o EntropySplitCrit()
 

Method Index

 o splitCritValue(Distribution)
Computes entropy for given distribution.
 o splitCritValue(Distribution, Distribution)
Computes entropy of test distribution with respect to training distribution.

Constructor Detail

 o EntropySplitCrit
public EntropySplitCrit()

Method Detail

 o splitCritValue
public final double splitCritValue(Distribution bags)
          Computes entropy for given distribution.
Overrides:
splitCritValue in class SplitCriterion
 o splitCritValue
public final double splitCritValue(Distribution train,
                                   Distribution test)
          Computes entropy of test distribution with respect to training distribution.
Overrides:
splitCritValue in class SplitCriterion

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