edu.cmu.minorthird.classify.sequential
Class HMMLearner

java.lang.Object
  edu.cmu.minorthird.classify.sequential.HMMLearner

All Implemented Interfaces:

BatchSequenceClassifierLearner, SequenceClassifierLearner, SequenceConstants

public class HMMLearner
extends java.lang.Object
implements BatchSequenceClassifierLearner, SequenceConstants

Field Summary

protected static boolean	DEBUG
protected java.lang.String[]	history
protected int	historySize
protected static org.apache.log4j.Logger	log
protected int	numberOfEpochs

Fields inherited from interface edu.cmu.minorthird.classify.sequential.SequenceConstants

HISTORY_FEATURE, NULL_CLASS_NAME

Constructor Summary

HMMLearner()

HMMLearner(int historySize)

Method Summary

SequenceClassifier	batchTrain(SequenceDataset dataset)
int	getHistorySize() Return the number of previous predictions used as features in learning.
int	getNumberOfEpochs()
void	setNumberOfEpochs(int newNumberOfEpochs)
void	setSchema(ExampleSchema schema)

Methods inherited from class java.lang.Object

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

Field Detail

historySize

protected int historySize

history

protected java.lang.String[] history

log

protected static org.apache.log4j.Logger log

DEBUG

protected static final boolean DEBUG

numberOfEpochs

protected int numberOfEpochs

Constructor Detail

HMMLearner

public HMMLearner(int historySize)

HMMLearner

public HMMLearner()

Method Detail

getHistorySize

public int getHistorySize()

Description copied from interface: SequenceClassifierLearner

Return the number of previous predictions used as features in learning.

Specified by:

getHistorySize in interface SequenceClassifierLearner

getNumberOfEpochs

public int getNumberOfEpochs()

setNumberOfEpochs

public void setNumberOfEpochs(int newNumberOfEpochs)

setSchema

public void setSchema(ExampleSchema schema)

Specified by:

setSchema in interface SequenceClassifierLearner

batchTrain

public SequenceClassifier batchTrain(SequenceDataset dataset)

Specified by:

batchTrain in interface BatchSequenceClassifierLearner