All Packages  Class Hierarchy  This Package  Previous  Next  Index  WEKA's home

Class weka.classifiers.j48.PruneableClassifierTree 

java.lang.Object
   |
   +----weka.classifiers.j48.ClassifierTree
           |
           +----weka.classifiers.j48.PruneableClassifierTree
public class PruneableClassifierTree
extends ClassifierTree
Class for handling a 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 PruneableClassifierTree(ModelSelection, boolean, int)
Constructor for pruneable tree structure.

Method Index

o buildClassifier(Instances)
Method for building a pruneable classifier tree.
o prune()
Prunes a tree.

Constructors

o PruneableClassifierTree 
 public PruneableClassifierTree(ModelSelection toSelectLocModel,
                                boolean pruneTree,
                                int num) throws Exception
Constructor for pruneable tree structure. Stores reference to associated training data at each node.

Parameters:
toSelectLocModel - selection method for local splitting model
pruneTree - true if the tree is to be pruned
num - number of subsets of equal size
Throws: Exception
if something goes wrong

Methods

o buildClassifier 
 public void buildClassifier(Instances data) throws Exception
Method for building a pruneable classifier tree.

Throws: Exception
if tree can't be built successfully
Overrides:
buildClassifier in class ClassifierTree
o prune 
 public void prune() throws Exception
Prunes a tree.

Throws: Exception
if tree can't be pruned successfully 
All Packages  Class Hierarchy  This Package  Previous  Next  Index  WEKA's home