weka.classifiers.trees.lmt
Class ResidualModelSelection

java.lang.Object
  weka.classifiers.trees.j48.ModelSelection
      weka.classifiers.trees.lmt.ResidualModelSelection

All Implemented Interfaces:

java.io.Serializable

public class ResidualModelSelection

extends ModelSelection

Helper class for logistic model trees (weka.classifiers.trees.lmt.LMT) to implement the splitting criterion based on residuals.

Version:

$Revision: 1.1 $

Author:

Niels Landwehr

See Also:

Serialized Form

Field Summary

protected double	m_minInfoGain Minimum information gain for split
protected int	m_minNumInstances Minimum number of instances for leaves

Constructor Summary

ResidualModelSelection(int minNumInstances)
Constructor to create ResidualModelSelection object.

Method Summary

void	cleanup() Method not in use
ClassifierSplitModel	selectModel(Instances train) Method not in use
ClassifierSplitModel	selectModel(Instances data, double[][] dataZs, double[][] dataWs) Selects split based on residuals for the given dataset.
ClassifierSplitModel	selectModel(Instances train, Instances test) Method not in use

Methods inherited from class java.lang.Object

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

Field Detail

m_minNumInstances

protected int m_minNumInstances

Minimum number of instances for leaves

m_minInfoGain

protected double m_minInfoGain

Minimum information gain for split

Constructor Detail

ResidualModelSelection

public ResidualModelSelection(int minNumInstances)

Constructor to create ResidualModelSelection object.

Parameters:

minNumInstances - minimum number of instances for leaves

Method Detail

cleanup

public void cleanup()

Method not in use

selectModel

public final ClassifierSplitModel selectModel(Instances data,
                                              double[][] dataZs,
                                              double[][] dataWs)
                                       throws java.lang.Exception

Selects split based on residuals for the given dataset.

Throws:

java.lang.Exception

selectModel

public final ClassifierSplitModel selectModel(Instances train)

Method not in use

Specified by:

selectModel in class ModelSelection

selectModel

public final ClassifierSplitModel selectModel(Instances train,
                                              Instances test)

Method not in use

Overrides:

selectModel in class ModelSelection