org.knowceans.lda
Class LdaEstimate

java.lang.Object
  org.knowceans.lda.LdaEstimate

public class LdaEstimate
extends java.lang.Object

lda parameter estimation

lda-c reference: functions in lda-estimate.c.

Author:

heinrich

Field Summary

static boolean	dllCokus
static float	EM_CONVERGED
static int	EM_MAX_ITER
static int	ESTIMATE_ALPHA

Constructor Summary

LdaEstimate()

Method Summary

static double	docEm(Document doc, double[] gamma, LdaModel model, LdaModel nextModel) iterate_document
static void	infer(java.lang.String modelRoot, java.lang.String save, Corpus corpus) inference only
static LdaModel	initialModel(java.lang.String start, Corpus corpus, int numTopics, double alpha) initializes class_word and class_total to reasonable beginnings.
static void	main(java.lang.String[] args) main
static void	readSettings(java.lang.String filename) read settings.
static LdaModel	runEm(java.lang.String start, java.lang.String directory, Corpus corpus) run_em

Methods inherited from class java.lang.Object

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

Field Detail

dllCokus

public static boolean dllCokus

EM_CONVERGED

public static float EM_CONVERGED

EM_MAX_ITER

public static int EM_MAX_ITER

ESTIMATE_ALPHA

public static int ESTIMATE_ALPHA

Constructor Detail

LdaEstimate

public LdaEstimate()

Method Detail

initialModel

public static LdaModel initialModel(java.lang.String start,
                                    Corpus corpus,
                                    int numTopics,
                                    double alpha)

initializes class_word and class_total to reasonable beginnings.

docEm

public static double docEm(Document doc,
                           double[] gamma,
                           LdaModel model,
                           LdaModel nextModel)

iterate_document

runEm

public static LdaModel runEm(java.lang.String start,
                             java.lang.String directory,
                             Corpus corpus)

run_em

readSettings

public static void readSettings(java.lang.String filename)

read settings.

infer

public static void infer(java.lang.String modelRoot,
                         java.lang.String save,
                         Corpus corpus)

inference only

main

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

main