Package weka.classifiers.rules.part

Class PruneableDecList

java.lang.Object

weka.classifiers.rules.part.ClassifierDecList

weka.classifiers.rules.part.PruneableDecList

All Implemented Interfaces:

Serializable, RevisionHandler

public class PruneableDecList
extends ClassifierDecList

Class for handling a partial tree structure that can be pruned using a pruning set.

Version:

$Revision$

Author:

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

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
PruneableDecList(ModelSelection toSelectLocModel, int minNum)	Constructor for pruneable partial tree structure.

Method Summary

Modifier and Type	Method	Description
void	buildDecList(Instances train, Instances test, boolean leaf)	Builds the partial tree with hold out set
void	buildRule(Instances train, Instances test)	Method for building a pruned partial tree.
String	getRevision()	Returns the revision string.

Methods inherited from class weka.classifiers.rules.part.ClassifierDecList

buildDecList, buildRule, chooseIndex, chooseLastIndex, classifyInstance, cleanup, distributionForInstance, toString, weight

Methods inherited from class java.lang.Object

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

Constructor Detail

PruneableDecList

public PruneableDecList(ModelSelection toSelectLocModel,
                        int minNum)

Constructor for pruneable partial tree structure.

Parameters:

toSelectLocModel - selection method for local splitting model

minNum - minimum number of objects in leaf

Method Detail

buildRule

public void buildRule(Instances train,
                      Instances test)
               throws Exception

Method for building a pruned partial tree.

Throws:

Exception - if tree can't be built successfully

buildDecList

public void buildDecList(Instances train,
                         Instances test,
                         boolean leaf)
                  throws Exception

Builds the partial tree with hold out set

Throws:

Exception - if something goes wrong

getRevision

public String getRevision()

Returns the revision string.

Specified by:

getRevision in interface RevisionHandler

Overrides:

getRevision in class ClassifierDecList

Returns:

the revision