weka.classifiers.j48
Class BinC45ModelSelection

java.lang.Object
  |
  +--weka.classifiers.j48.ModelSelection
        |
        +--weka.classifiers.j48.BinC45ModelSelection

All Implemented Interfaces:

java.io.Serializable

public class BinC45ModelSelection

extends ModelSelection

Class for selecting a C4.5-like binary (!) split for a given dataset.

Author:

Eibe Frank (eibe@cs.waikato.ac.nz)

See Also:

Serialized Form

Constructor Summary

BinC45ModelSelection(int m_minNoObj, Instances allData)
Initializes the split selection method with the given parameters.

Method Summary

void	cleanup() Sets reference to training data to null.
ClassifierSplitModel	selectModel(Instances data) Selects C4.5-type split for the given dataset.
ClassifierSplitModel	selectModel(Instances train, Instances test) Selects C4.5-type split for the given dataset.

Methods inherited from class java.lang.Object

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

Constructor Detail

BinC45ModelSelection

public BinC45ModelSelection(int m_minNoObj,
                            Instances allData)

Initializes the split selection method with the given parameters.

Parameters:

m_minNoObj - minimum number of instances that have to occur in at least two subsets induced by split

allData - FULL training dataset (necessary for selection of split points).

Method Detail

cleanup

public void cleanup()

Sets reference to training data to null.

selectModel

public final ClassifierSplitModel selectModel(Instances data)

Selects C4.5-type split for the given dataset.

Overrides:

selectModel in class ModelSelection

Following copied from class: weka.classifiers.j48.ModelSelection

Throws:

java.lang.Exception - if model can't be selected

selectModel

public final ClassifierSplitModel selectModel(Instances train,
                                              Instances test)

Selects C4.5-type split for the given dataset.

Overrides:

selectModel in class ModelSelection

Following copied from class: weka.classifiers.j48.ModelSelection

Throws:

java.lang.Exception - if model can't be selected