edu.umass.cs.mallet.base.pipe.iterator

Class RandomFeatureVectorIterator

java.lang.Object

edu.umass.cs.mallet.base.pipe.iterator.AbstractPipeInputIterator

edu.umass.cs.mallet.base.pipe.iterator.RandomFeatureVectorIterator

All Implemented Interfaces:

PipeInputIterator, Iterator

public class RandomFeatureVectorIterator
extends AbstractPipeInputIterator

Field Summary

Fields inherited from class edu.umass.cs.mallet.base.pipe.iterator.AbstractPipeInputIterator

parentInstance

Constructor Summary

Constructors

Constructor and Description
RandomFeatureVectorIterator(Random r, Alphabet vocab, String[] classnames)
RandomFeatureVectorIterator(Random r, Dirichlet classCentroidDistribution, double classCentroidAvergeAlphaMean, double classCentroidAvergeAlphaVariance, double featureVectorSizePoissonLambda, double classInstanceCountPoissonLamba, String[] classNames)
RandomFeatureVectorIterator(Random r, int vocabSize, int numClasses)

Method Summary

Modifier and Type	Method and Description
Alphabet	getAlphabet()
LabelAlphabet	getLabelAlphabet()
boolean	hasNext()
Instance	nextInstance()
void	reset()

Methods inherited from class edu.umass.cs.mallet.base.pipe.iterator.AbstractPipeInputIterator

next, remove, setParentInstance

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Iterator

forEachRemaining

Constructor Detail

RandomFeatureVectorIterator

public RandomFeatureVectorIterator(Random r,
                                   Dirichlet classCentroidDistribution,
                                   double classCentroidAvergeAlphaMean,
                                   double classCentroidAvergeAlphaVariance,
                                   double featureVectorSizePoissonLambda,
                                   double classInstanceCountPoissonLamba,
                                   String[] classNames)

RandomFeatureVectorIterator

public RandomFeatureVectorIterator(Random r,
                                   Alphabet vocab,
                                   String[] classnames)

RandomFeatureVectorIterator

public RandomFeatureVectorIterator(Random r,
                                   int vocabSize,
                                   int numClasses)

Method Detail

getAlphabet

public Alphabet getAlphabet()

reset

public void reset()

getLabelAlphabet

public LabelAlphabet getLabelAlphabet()

nextInstance

public Instance nextInstance()

Specified by:

nextInstance in interface PipeInputIterator

Specified by:

nextInstance in class AbstractPipeInputIterator

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator

Specified by:

hasNext in class AbstractPipeInputIterator