Package cc.mallet.classify

Class MostFrequentClassifier

java.lang.Object

cc.mallet.classify.Classifier

cc.mallet.classify.MostFrequentClassifier

All Implemented Interfaces:

AlphabetCarrying, java.io.Serializable

public class MostFrequentClassifier
extends Classifier

A Classifier that will return the most frequent class label based on a training set. The Classifier needs to be trained using the MostFrequentClassAssignmentTrainer.

Author:

Martin Wunderlich martin@wunderlich.com

See Also:

MostFrequentClassAssignmentTrainer, Serialized Form

Field Summary

Fields inherited from class cc.mallet.classify.Classifier

instancePipe

Constructor Summary

Constructors

Constructor	Description
MostFrequentClassifier(Pipe instancePipe)

Method Summary

Modifier and Type	Method	Description
void	addTargetLabel(Label label)
Classification	classify(Instance instance)	Classify an instance using the most frequent class label.

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

Constructor Detail

MostFrequentClassifier

public MostFrequentClassifier(Pipe instancePipe)

Method Detail

classify

public Classification classify(Instance instance)

Classify an instance using the most frequent class label.

Specified by:

classify in class Classifier

Parameters:

Instance - to be classified. Data field must be a FeatureVector.

Returns:

Classification containing the labeling of the instance.

addTargetLabel

public void addTargetLabel(Label label)