类 Stats

java.lang.Object
weka.classifiers.trees.j48.Stats
所有已实现的接口:
RevisionHandler

public class Stats extends Object implements 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)
  • 构造器概要

    构造器
    构造器
    说明
     
  • 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.

    从类继承的方法 java.lang.Object

    equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
  • 构造器详细资料

    • Stats

      public Stats()
  • 方法详细资料

    • 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 instances
      e - observed error
      CF - confidence value
    • getRevision

      public String getRevision()
      Returns the revision string.
      指定者:
      getRevision 在接口中 RevisionHandler
      返回:
      the revision