cc.mallet.classify
Class AdaBoostM2Trainer

java.lang.Object
  cc.mallet.classify.ClassifierTrainer<AdaBoostM2>
      cc.mallet.classify.AdaBoostM2Trainer

public class AdaBoostM2Trainer
extends ClassifierTrainer<AdaBoostM2>

This version of AdaBoost can handle multi-class problems. For binary classification, can also use AdaBoostTrainer.

Yoav Freund and Robert E. Schapire "Experiments with a New Boosting Algorithm" In Journal of Machine Learning: Proceedings of the 13th International Conference, 1996 http://www.cs.princeton.edu/~schapire/papers/FreundSc96b.ps.Z

Author:

Gary Huang ghuang@cs.umass.edu

Nested Class Summary

Nested classes/interfaces inherited from class cc.mallet.classify.ClassifierTrainer

ClassifierTrainer.ByActiveLearning<C extends Classifier>, ClassifierTrainer.ByIncrements<C extends Classifier>, ClassifierTrainer.ByInstanceIncrements<C extends Classifier>, ClassifierTrainer.ByOptimization<C extends Classifier>, ClassifierTrainer.Factory<CT extends ClassifierTrainer<? extends Classifier>>

Field Summary

Fields inherited from class cc.mallet.classify.ClassifierTrainer

finishedTraining, validationSet

Constructor Summary

AdaBoostM2Trainer(ClassifierTrainer weakLearner)

AdaBoostM2Trainer(ClassifierTrainer weakLearner, int numRounds)

Method Summary

AdaBoostM2	getClassifier()
AdaBoostM2	train(InstanceList trainingList) Boosting method that resamples instances using their weights

Methods inherited from class cc.mallet.classify.ClassifierTrainer

getValidationInstances, isFinishedTraining, setValidationInstances

Methods inherited from class java.lang.Object

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

Constructor Detail

AdaBoostM2Trainer

public AdaBoostM2Trainer(ClassifierTrainer weakLearner,
                         int numRounds)

AdaBoostM2Trainer

public AdaBoostM2Trainer(ClassifierTrainer weakLearner)

Method Detail

getClassifier

public AdaBoostM2 getClassifier()

Specified by:

getClassifier in class ClassifierTrainer<AdaBoostM2>

train

public AdaBoostM2 train(InstanceList trainingList)

Boosting method that resamples instances using their weights

Specified by:

train in class ClassifierTrainer<AdaBoostM2>