Package cc.mallet.topics

Class TopicalNGrams

java.lang.Object

cc.mallet.topics.TopicalNGrams

public class TopicalNGrams
extends java.lang.Object

Like Latent Dirichlet Allocation, but with integrated phrase discovery.

Author:

Andrew McCallum mccallum@cs.umass.edu based on C code by Xuerui Wang.

Constructor Summary

Constructors

Constructor	Description
TopicalNGrams(int numberOfTopics)
TopicalNGrams(int numberOfTopics, double alphaSum, double beta, double gamma, double delta, double delta1, double delta2)

Method Summary

Modifier and Type	Method	Description
void	estimate(InstanceList documents, int numIterations, int showTopicsInterval, int outputModelInterval, java.lang.String outputModelFilename, Randoms r)
static void	main(java.lang.String[] args)
void	printDocumentTopics(java.io.File f)
void	printDocumentTopics(java.io.PrintWriter pw)
void	printDocumentTopics(java.io.PrintWriter pw, double threshold, int max)
void	printState(java.io.File f)
void	printState(java.io.PrintWriter pw)
void	printTopWords(int numWords, boolean useNewLines)
void	write(java.io.File f)

Methods inherited from class java.lang.Object

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

Constructor Detail

TopicalNGrams

public TopicalNGrams(int numberOfTopics)

TopicalNGrams

public TopicalNGrams(int numberOfTopics,
                     double alphaSum,
                     double beta,
                     double gamma,
                     double delta,
                     double delta1,
                     double delta2)

Method Detail

estimate

public void estimate(InstanceList documents,
                     int numIterations,
                     int showTopicsInterval,
                     int outputModelInterval,
                     java.lang.String outputModelFilename,
                     Randoms r)

printTopWords

public void printTopWords(int numWords,
                          boolean useNewLines)

printDocumentTopics

public void printDocumentTopics(java.io.File f)
                         throws java.io.IOException

Throws:

java.io.IOException

printDocumentTopics

public void printDocumentTopics(java.io.PrintWriter pw)

printDocumentTopics

public void printDocumentTopics(java.io.PrintWriter pw,
                                double threshold,
                                int max)

printState

public void printState(java.io.File f)
                throws java.io.IOException

Throws:

java.io.IOException

printState

public void printState(java.io.PrintWriter pw)

write

public void write(java.io.File f)

main

public static void main(java.lang.String[] args)