Package cc.mallet.topics

Class LDAStream

java.lang.Object

cc.mallet.topics.LDAHyper

cc.mallet.topics.LDAStream

All Implemented Interfaces:

java.io.Serializable

public class LDAStream
extends LDAHyper

Author:

Limin Yao, David Mimno

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class cc.mallet.topics.LDAHyper

LDAHyper.Topication

Field Summary

Fields

Modifier and Type	Field	Description
protected java.util.ArrayList<LDAHyper.Topication>	test

Fields inherited from class cc.mallet.topics.LDAHyper

alpha, alphabet, alphaSum, beta, betaSum, burninPeriod, cachedCoefficients, data, DEFAULT_BETA, docLengthCounts, formatter, iterationsSoFar, numIterations, numTopics, numTypes, oneDocTopicCounts, optimizeInterval, outputModelFilename, outputModelInterval, printLogLikelihood, random, saveSampleInterval, saveStateInterval, showTopicsInterval, smoothingOnlyMass, stateFilename, testing, tokensPerTopic, topicAlphabet, topicDocCounts, typeTopicCounts, wordsPerTopic

Constructor Summary

Constructors

Constructor	Description
LDAStream(int numberOfTopics)
LDAStream(int numberOfTopics, double alphaSum, double beta)
LDAStream(int numberOfTopics, double alphaSum, double beta, Randoms random)
LDAStream(LabelAlphabet topicAlphabet, double alphaSum, double beta, Randoms random)

Method Summary

Modifier and Type	Method	Description
void	estimateAll(int iteration)
java.util.ArrayList<LDAHyper.Topication>	getTest()
void	inference(int maxIteration)
void	inferenceAll(int maxIteration)
void	inferenceOneByOne(int maxIteration)
void	inferenceWithTheta(int maxIteration, InstanceList theta)
void	printDocumentTopics(java.util.ArrayList<LDAHyper.Topication> dataset, java.io.File f)
void	printDocumentTopics(java.util.ArrayList<LDAHyper.Topication> dataset, java.io.PrintWriter pw)
void	printDocumentTopics(java.util.ArrayList<LDAHyper.Topication> dataset, java.io.PrintWriter pw, double threshold, int max)
void	printPhi(java.io.File f, double threshold)
void	printState(java.util.ArrayList<LDAHyper.Topication> dataset, java.io.File f)
void	printState(java.util.ArrayList<LDAHyper.Topication> dataset, java.io.PrintStream out)
void	printTheta(java.util.ArrayList<LDAHyper.Topication> dataset, java.io.File f, double threshold, int max)

Methods inherited from class cc.mallet.topics.LDAHyper

addInstances, addInstances, empiricalLikelihood, estimate, estimate, getAlphabet, getCountFeatureTopic, getCountTokensPerTopic, getData, getNumTopics, getSortedTopicWords, getTopicAlphabet, initializeHistogramsAndCachedValues, instanceLength, main, modelLogLikelihood, printDocumentTopics, printDocumentTopics, printDocumentTopics, printState, printState, printTopWords, printTopWords, read, sampleTopicsForOneDoc, setBurninPeriod, setModelOutput, setNumIterations, setOptimizeInterval, setRandomSeed, setSaveState, setTestingInstances, setTopicDisplay, topicLabelMutualInformation, topicXMLReport, topicXMLReportPhrases, write

Methods inherited from class java.lang.Object

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

Field Detail

test

protected java.util.ArrayList<LDAHyper.Topication> test

Constructor Detail

LDAStream

public LDAStream(int numberOfTopics)

Parameters:

numberOfTopics -

LDAStream

public LDAStream(int numberOfTopics,
                 double alphaSum,
                 double beta)

Parameters:

numberOfTopics -

alphaSum -

beta -

LDAStream

public LDAStream(int numberOfTopics,
                 double alphaSum,
                 double beta,
                 Randoms random)

Parameters:

numberOfTopics -

alphaSum -

beta -

random -

LDAStream

public LDAStream(LabelAlphabet topicAlphabet,
                 double alphaSum,
                 double beta,
                 Randoms random)

Parameters:

topicAlphabet -

alphaSum -

beta -

random -

Method Detail

getTest

public java.util.ArrayList<LDAHyper.Topication> getTest()

inferenceAll

public void inferenceAll(int maxIteration)

estimateAll

public void estimateAll(int iteration)
                 throws java.io.IOException

Throws:

java.io.IOException

inference

public void inference(int maxIteration)

Parameters:

maxIteration -

inferenceOneByOne

public void inferenceOneByOne(int maxIteration)

inferenceWithTheta

public void inferenceWithTheta(int maxIteration,
                               InstanceList theta)

printTheta

public void printTheta(java.util.ArrayList<LDAHyper.Topication> dataset,
                       java.io.File f,
                       double threshold,
                       int max)
                throws java.io.IOException

Throws:

java.io.IOException

printPhi

public void printPhi(java.io.File f,
                     double threshold)
              throws java.io.IOException

Throws:

java.io.IOException

printDocumentTopics

public void printDocumentTopics(java.util.ArrayList<LDAHyper.Topication> dataset,
                                java.io.File f)
                         throws java.io.IOException

Throws:

java.io.IOException

printDocumentTopics

public void printDocumentTopics(java.util.ArrayList<LDAHyper.Topication> dataset,
                                java.io.PrintWriter pw)

printDocumentTopics

public void printDocumentTopics(java.util.ArrayList<LDAHyper.Topication> dataset,
                                java.io.PrintWriter pw,
                                double threshold,
                                int max)

Parameters:

pw - A print writer

threshold - Only print topics with proportion greater than this number

max - Print no more than this many topics

printState

public void printState(java.util.ArrayList<LDAHyper.Topication> dataset,
                       java.io.File f)
                throws java.io.IOException

Throws:

java.io.IOException

printState

public void printState(java.util.ArrayList<LDAHyper.Topication> dataset,
                       java.io.PrintStream out)