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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: 1.2 $
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.

Constructors

o EntropySplitCrit 
 public EntropySplitCrit()

Methods

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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