edu.stanford.nlp.cluster
Class SVD

java.lang.Object
  |
  +--edu.stanford.nlp.cluster.AbstractClusteringMethod
        |
        +--edu.stanford.nlp.cluster.SVD

All Implemented Interfaces:

ClusteringMethod

public class SVD

extends AbstractClusteringMethod

Takes the SVD of the feature matrix, and returns U=P(w|z), S=P(z), V=P(d|z).

Field Summary

protected cern.colt.matrix.DoubleMatrix2D

featurematrix

Fields inherited from class edu.stanford.nlp.cluster.AbstractClusteringMethod

clusters, db, method, nc, nd, nt

Constructor Summary

SVD()

Method Summary

SimpleClusters

cluster(DataCollection data, int num_clusters) Performs clustering algorithm, and populates Clusters

Methods inherited from class edu.stanford.nlp.cluster.AbstractClusteringMethod

cluster, evaluate, evaluate, initialize, toString, toXMLString

Methods inherited from class java.lang.Object

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

Field Detail

featurematrix

protected cern.colt.matrix.DoubleMatrix2D featurematrix

Constructor Detail

SVD

public SVD()

Method Detail

cluster

public SimpleClusters cluster(DataCollection data,
                              int num_clusters)

Description copied from interface: ClusteringMethod

Performs clustering algorithm, and populates Clusters