PruneableClassifierTree (original) (raw)

• java.lang.Object

• • weka.classifiers.trees.j48.ClassifierTree
  • • weka.classifiers.trees.j48.PruneableClassifierTree

• All Implemented Interfaces:
  java.io.Serializable, CapabilitiesHandler, Drawable, RevisionHandler

public class PruneableClassifierTree
extends ClassifierTree
Class for handling a tree structure that can be pruned using a pruning set.
Version: Revision:8985Revision: 8985 Revision:8985
Author:
Eibe Frank (eibe@cs.waikato.ac.nz)
See Also:
Serialized Form

• • Field Summary

     * ### Fields inherited from interface weka.core.[Drawable](../../../../weka/core/Drawable.html "interface in weka.core")  
     `[BayesNet](../../../../weka/core/Drawable.html#BayesNet), [Newick](../../../../weka/core/Drawable.html#Newick), [NOT_DRAWABLE](../../../../weka/core/Drawable.html#NOT%5FDRAWABLE), [TREE](../../../../weka/core/Drawable.html#TREE)`  

  • Constructor Summary

  Constructors

  Constructor and Description
  PruneableClassifierTree(ModelSelection toSelectLocModel, boolean pruneTree, int num, boolean cleanup, int seed) Constructor for pruneable tree structure.

  • Method Summary

  All Methods Instance Methods Concrete Methods

  Modifier and Type	Method and Description
  void	buildClassifier(Instances data) Method for building a pruneable classifier tree.
  Capabilities	getCapabilities() Returns default capabilities of the classifier tree.
  java.lang.String	getRevision() Returns the revision string.
  void	prune() Prunes a tree.

     * ### Methods inherited from class weka.classifiers.trees.j48.[ClassifierTree](../../../../weka/classifiers/trees/j48/ClassifierTree.html "class in weka.classifiers.trees.j48")  
     `[assignIDs](../../../../weka/classifiers/trees/j48/ClassifierTree.html#assignIDs-int-), [buildTree](../../../../weka/classifiers/trees/j48/ClassifierTree.html#buildTree-weka.core.Instances-boolean-), [buildTree](../../../../weka/classifiers/trees/j48/ClassifierTree.html#buildTree-weka.core.Instances-weka.core.Instances-boolean-), [classifyInstance](../../../../weka/classifiers/trees/j48/ClassifierTree.html#classifyInstance-weka.core.Instance-), [cleanup](../../../../weka/classifiers/trees/j48/ClassifierTree.html#cleanup-weka.core.Instances-), [distributionForInstance](../../../../weka/classifiers/trees/j48/ClassifierTree.html#distributionForInstance-weka.core.Instance-boolean-), [graph](../../../../weka/classifiers/trees/j48/ClassifierTree.html#graph--), [graphType](../../../../weka/classifiers/trees/j48/ClassifierTree.html#graphType--), [numLeaves](../../../../weka/classifiers/trees/j48/ClassifierTree.html#numLeaves--), [numNodes](../../../../weka/classifiers/trees/j48/ClassifierTree.html#numNodes--), [prefix](../../../../weka/classifiers/trees/j48/ClassifierTree.html#prefix--), [toSource](../../../../weka/classifiers/trees/j48/ClassifierTree.html#toSource-java.lang.String-), [toString](../../../../weka/classifiers/trees/j48/ClassifierTree.html#toString--)`  
     * ### Methods inherited from class java.lang.Object  
     `equals, getClass, hashCode, notify, notifyAll, wait, wait, wait`

• • Constructor Detail

     * #### PruneableClassifierTree  
     public PruneableClassifierTree([ModelSelection](../../../../weka/classifiers/trees/j48/ModelSelection.html "class in weka.classifiers.trees.j48") toSelectLocModel,  
                                    boolean pruneTree,  
                                    int num,  
                                    boolean cleanup,  
                                    int seed)  
                             throws java.lang.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  
     `cleanup` \-  
     `seed` \- the seed value to use  
     Throws:  
     `java.lang.Exception` \- if something goes wrong  

  • Method Detail

    * #### getCapabilities  
    public [Capabilities](../../../../weka/core/Capabilities.html "class in weka.core") getCapabilities()  
    Returns default capabilities of the classifier tree.  
    Specified by:  
    `[getCapabilities](../../../../weka/core/CapabilitiesHandler.html#getCapabilities--)` in interface `[CapabilitiesHandler](../../../../weka/core/CapabilitiesHandler.html "interface in weka.core")`  
    Overrides:  
    `[getCapabilities](../../../../weka/classifiers/trees/j48/ClassifierTree.html#getCapabilities--)` in class `[ClassifierTree](../../../../weka/classifiers/trees/j48/ClassifierTree.html "class in weka.classifiers.trees.j48")`  
    Returns:  
    the capabilities of this classifier tree  
    See Also:  
    [Capabilities](../../../../weka/core/Capabilities.html "class in weka.core")  
    * #### buildClassifier  
    public void buildClassifier([Instances](../../../../weka/core/Instances.html "class in weka.core") data)  
                         throws java.lang.Exception  
    Method for building a pruneable classifier tree.  
    Overrides:  
    `[buildClassifier](../../../../weka/classifiers/trees/j48/ClassifierTree.html#buildClassifier-weka.core.Instances-)` in class `[ClassifierTree](../../../../weka/classifiers/trees/j48/ClassifierTree.html "class in weka.classifiers.trees.j48")`  
    Parameters:  
    `data` \- the data to build the tree from  
    Throws:  
    `java.lang.Exception` \- if tree can't be built successfully  
    * #### prune  
    public void prune()  
               throws java.lang.Exception  
    Prunes a tree.  
    Throws:  
    `java.lang.Exception` \- if tree can't be pruned successfully  
    * #### getRevision  
    public java.lang.String getRevision()  
    Returns the revision string.  
    Specified by:  
    `[getRevision](../../../../weka/core/RevisionHandler.html#getRevision--)` in interface `[RevisionHandler](../../../../weka/core/RevisionHandler.html "interface in weka.core")`  
    Overrides:  
    `[getRevision](../../../../weka/classifiers/trees/j48/ClassifierTree.html#getRevision--)` in class `[ClassifierTree](../../../../weka/classifiers/trees/j48/ClassifierTree.html "class in weka.classifiers.trees.j48")`  
    Returns:  
    the revision