dragon.ir.topicmodel

Class GibbsLDA

java.lang.Object

dragon.ir.topicmodel.AbstractModel

dragon.ir.topicmodel.AbstractTopicModel

dragon.ir.topicmodel.GibbsLDA

All Implemented Interfaces:

TopicModel

public class GibbsLDA
extends AbstractTopicModel

Latent dirichlet allocation (LDA) with Gibbs sampling

Copyright: Copyright (c) 2005

Company: IST, Drexel University

Version:

1.0

Author:

Davis Zhou

Field Summary

Fields inherited from class dragon.ir.topicmodel.AbstractTopicModel

arrDocTheme, arrThemeTerm, docNum, indexReader, termNum, themeNum

Fields inherited from class dragon.ir.topicmodel.AbstractModel

iterations, seed, statusOut

Constructor Summary

Constructors

Constructor and Description
GibbsLDA(IndexReader indexReader, double alpha, double beta)
GibbsLDA(SequenceIndexReader indexReader, double alpha, double beta)

Method Summary

Modifier and Type	Method and Description
boolean	estimateModel(int topicNum) Estimate the topic models

Methods inherited from class dragon.ir.topicmodel.AbstractTopicModel

getDocNum, getDocTopics, getTermName, getTermNum, getTopic, getTopicNum

Methods inherited from class dragon.ir.topicmodel.AbstractModel

getBkgModel, getIterationNum, printStatus, setIterationNum, setRandomSeed, setStatusOut

Methods inherited from class java.lang.Object

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

Constructor Detail

GibbsLDA

public GibbsLDA(SequenceIndexReader indexReader,
                double alpha,
                double beta)

GibbsLDA

public GibbsLDA(IndexReader indexReader,
                double alpha,
                double beta)

Method Detail

estimateModel

public boolean estimateModel(int topicNum)

Description copied from interface: TopicModel

Estimate the topic models

Parameters:

topicNum - the number of topics

Returns:

true if estimating successfully