com.rapidminer.operator.learner.tree
Class AbstractCriterion

java.lang.Object
  com.rapidminer.operator.learner.tree.AbstractCriterion

All Implemented Interfaces:

Criterion

Direct Known Subclasses:

AccuracyCriterion, GiniIndexCriterion, InfoGainCriterion

public abstract class AbstractCriterion
extends java.lang.Object
implements Criterion

This criterion class can be used for the incremental calculation of benefits.

Author:

Sebastian Land

Field Summary

protected Attribute	labelAttribute
protected double[]	leftLabelWeights
protected double	leftWeight
protected double[]	rightLabelWeights
protected double	rightWeight
protected double[]	totalLabelWeights
protected double	totalWeight
protected Attribute	weightAttribute

Constructor Summary

AbstractCriterion()

Method Summary

double	getIncrementalBenefit()
void	startIncrementalCalculation(ExampleSet exampleSet)
boolean	supportsIncrementalCalculation()
void	swapExample(Example example)

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.rapidminer.operator.learner.tree.Criterion

getNominalBenefit, getNumericalBenefit

Field Detail

leftWeight

protected double leftWeight

rightWeight

protected double rightWeight

totalWeight

protected double totalWeight

totalLabelWeights

protected double[] totalLabelWeights

leftLabelWeights

protected double[] leftLabelWeights

rightLabelWeights

protected double[] rightLabelWeights

labelAttribute

protected Attribute labelAttribute

weightAttribute

protected Attribute weightAttribute

Constructor Detail

AbstractCriterion

public AbstractCriterion()

Method Detail

supportsIncrementalCalculation

public boolean supportsIncrementalCalculation()

Specified by:

supportsIncrementalCalculation in interface Criterion

startIncrementalCalculation

public void startIncrementalCalculation(ExampleSet exampleSet)

Specified by:

startIncrementalCalculation in interface Criterion

swapExample

public void swapExample(Example example)

Specified by:

swapExample in interface Criterion

getIncrementalBenefit

public double getIncrementalBenefit()

Specified by:

getIncrementalBenefit in interface Criterion