Package weka.classifiers.trees.ht

Class SplitCandidate

java.lang.Object

weka.classifiers.trees.ht.SplitCandidate

All Implemented Interfaces:

Comparable<SplitCandidate>

public class SplitCandidate
extends Object
implements Comparable<SplitCandidate>

Encapsulates a candidate split

Version:

$Revision: 9705 $

Author:

Richard Kirkby (rkirkby@cs.waikato.ac.nz), Mark Hall (mhall{[at]}pentaho{[dot]}com)

Field Summary

Fields

Modifier and Type	Field	Description
List<Map<String,WeightMass>>	m_postSplitClassDistributions	list of class distributions resulting from a split - 2 entries in the outer list for numeric splits and n for nominal splits
double	m_splitMerit	The merit of the split
Split	m_splitTest

Constructor Summary

Constructors

Constructor	Description
SplitCandidate(Split splitTest, List<Map<String,WeightMass>> postSplitDists, double merit)	Constructor

Method Summary

Modifier and Type	Method	Description
int	compareTo(SplitCandidate comp)
int	numSplits()	Number of branches resulting from the split

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

m_splitTest

public Split m_splitTest

m_postSplitClassDistributions

public List<Map<String,WeightMass>> m_postSplitClassDistributions

list of class distributions resulting from a split - 2 entries in the outer list for numeric splits and n for nominal splits

m_splitMerit

public double m_splitMerit

The merit of the split

Constructor Details

SplitCandidate

public SplitCandidate(Split splitTest,
 List<Map<String,WeightMass>> postSplitDists,
 double merit)

Constructor

Parameters:

splitTest - the splitting test

postSplitDists - the distributions resulting from the split

merit - the merit of the split

Method Details

numSplits

public int numSplits()

Number of branches resulting from the split

Returns:

the number of subsets of instances resulting from the split

compareTo

public int compareTo(SplitCandidate comp)

Specified by:

compareTo in interface Comparable<SplitCandidate>