类 Stats
java.lang.Object
weka.classifiers.trees.j48.Stats
- 所有已实现的接口:
RevisionHandler
Class implementing a statistical routine needed by J48 to
compute its error estimate.
- 版本:
- $Revision: 1.9 $
- 作者:
- Eibe Frank (eibe@cs.waikato.ac.nz)
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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static double
addErrs
(double N, double e, float CF) Computes estimated extra error for given total number of instances and error using normal approximation to binomial distribution (and continuity correction).Returns the revision string.
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构造器详细资料
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Stats
public Stats()
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方法详细资料
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addErrs
public static double addErrs(double N, double e, float CF) Computes estimated extra error for given total number of instances and error using normal approximation to binomial distribution (and continuity correction).- 参数:
N
- number of instancese
- observed errorCF
- confidence value
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getRevision
Returns the revision string.- 指定者:
getRevision
在接口中RevisionHandler
- 返回:
- the revision
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