类 EntropySplitCrit
java.lang.Object
weka.classifiers.trees.j48.SplitCriterion
weka.classifiers.trees.j48.EntropyBasedSplitCrit
weka.classifiers.trees.j48.EntropySplitCrit
- 所有已实现的接口:
Serializable
,RevisionHandler
Class for computing the entropy for a given distribution.
- 版本:
- $Revision: 1.8 $
- 作者:
- Eibe Frank (eibe@cs.waikato.ac.nz)
- 另请参阅:
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构造器概要
构造器 -
方法概要
修饰符和类型方法说明Returns the revision string.final double
splitCritValue
(Distribution bags) Computes entropy for given distribution.final double
splitCritValue
(Distribution train, Distribution test) Computes entropy of test distribution with respect to training distribution.从类继承的方法 weka.classifiers.trees.j48.EntropyBasedSplitCrit
logFunc, newEnt, oldEnt, splitEnt
从类继承的方法 weka.classifiers.trees.j48.SplitCriterion
splitCritValue, splitCritValue
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构造器详细资料
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EntropySplitCrit
public EntropySplitCrit()
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方法详细资料
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splitCritValue
Computes entropy for given distribution.- 覆盖:
splitCritValue
在类中SplitCriterion
- 返回:
- value of splitting criterion. 0 by default
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splitCritValue
Computes entropy of test distribution with respect to training distribution.- 覆盖:
splitCritValue
在类中SplitCriterion
- 返回:
- value of splitting criterion. 0 by default
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getRevision
Returns the revision string.- 返回:
- the revision
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