cc.mallet.classify
Class DecisionTree

java.lang.Object
  cc.mallet.classify.Classifier
      cc.mallet.classify.DecisionTree

All Implemented Interfaces:

AlphabetCarrying, java.io.Serializable

public class DecisionTree
extends Classifier
implements java.io.Serializable

Decision Tree classifier.

Author:

Andrew McCallum mccallum@cs.umass.edu

See Also:

Serialized Form

Nested Class Summary

static class

DecisionTree.Node

Field Summary

double

addFeaturesClassEntropyThreshold

Fields inherited from class cc.mallet.classify.Classifier

instancePipe

Constructor Summary

DecisionTree(Pipe instancePipe, DecisionTree.Node root)

Method Summary

Classification	classify(Instance instance)
DecisionTree.Node	getRoot()
void	induceFeatures(InstanceList ilist, boolean withFeatureShrinkage, boolean inducePerClassFeatures)

Methods inherited from class cc.mallet.classify.Classifier

alphabetsMatch, classify, classify, classify, getAccuracy, getAlphabet, getAlphabets, getAverageRank, getF1, getF1, getF1, getFeatureSelection, getInstancePipe, getLabelAlphabet, getPerClassFeatureSelection, getPrecision, getPrecision, getPrecision, getRecall, getRecall, getRecall, print, print

Methods inherited from class java.lang.Object

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

Field Detail

addFeaturesClassEntropyThreshold

public double addFeaturesClassEntropyThreshold

Constructor Detail

DecisionTree

public DecisionTree(Pipe instancePipe,
                    DecisionTree.Node root)

Method Detail

getRoot

public DecisionTree.Node getRoot()

classify

public Classification classify(Instance instance)

Specified by:

classify in class Classifier

induceFeatures

public void induceFeatures(InstanceList ilist,
                           boolean withFeatureShrinkage,
                           boolean inducePerClassFeatures)