cc.mallet.cluster.iterator
Class NodeClusterSampleIterator

java.lang.Object
  cc.mallet.cluster.iterator.NeighborIterator
      cc.mallet.cluster.iterator.PairSampleIterator
          cc.mallet.cluster.iterator.ClusterSampleIterator
              cc.mallet.cluster.iterator.NodeClusterSampleIterator

All Implemented Interfaces:

java.util.Iterator<Instance>

public class NodeClusterSampleIterator
extends ClusterSampleIterator

Samples merges of a singleton cluster with another (possibly non-singleton) cluster.

Since:

1.0

Version:

1.0

Author:

"Aron Culotta"

See Also:

PairSampleIterator, NeighborIterator

Field Summary

Fields inherited from class cc.mallet.cluster.iterator.PairSampleIterator

instances, nonsingletonClusters, numberSamples, positiveCount, positiveProportion, positiveTarget, random, totalCount

Fields inherited from class cc.mallet.cluster.iterator.NeighborIterator

clustering

Constructor Summary

NodeClusterSampleIterator(Clustering clustering, Randoms random, double positiveProportion, int numberSamples)

Method Summary

Instance

next()

Methods inherited from class cc.mallet.cluster.iterator.ClusterSampleIterator

sampleFromArray, sampleSplitFromArray

Methods inherited from class cc.mallet.cluster.iterator.PairSampleIterator

hasNext

Methods inherited from class cc.mallet.cluster.iterator.NeighborIterator

getClustering, remove

Methods inherited from class java.lang.Object

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

Constructor Detail

NodeClusterSampleIterator

public NodeClusterSampleIterator(Clustering clustering,
                                 Randoms random,
                                 double positiveProportion,
                                 int numberSamples)

Parameters:

clustering - True clustering.

random - Source of randomness.

positiveProportion - Proportion of Instances that should be positive examples.

numberSamples - Total number of samples to generate.

Method Detail

next

public Instance next()

Specified by:

next in interface java.util.Iterator<Instance>

Overrides:

next in class ClusterSampleIterator