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Class weka.classifiers.j48.PruneableDecList 

java.lang.Object
   |
   +----weka.classifiers.j48.ClassifierDecList
           |
           +----weka.classifiers.j48.PruneableDecList
public class PruneableDecList
extends ClassifierDecList
Class for handling a partial tree structure that can be pruned using a pruning set.

Version:
$Revision: 1.2 $
Author:
Eibe Frank (eibe@cs.waikato.ac.nz)

Constructor Index

o PruneableDecList(ModelSelection, int)
Constructor for pruneable partial tree structure.

Method Index

o buildRule(Instances, Instances)
Method for building a pruned partial tree.
o chooseIndex()
Method for choosing a subset to expand.
o chooseLastIndex()
Choose last index (ie.

Constructors

o 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

Methods

o 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
o chooseIndex 
 public final int chooseIndex()
Method for choosing a subset to expand.

Overrides:
chooseIndex in class ClassifierDecList
o chooseLastIndex 
 public final int chooseLastIndex()
Choose last index (ie. choose rule).

Overrides:
chooseLastIndex in class ClassifierDecList 
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