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PLSA Class Reference

#include <PLSA.hpp>

List of all members.

Public Methods
	PLSA (const Index &dbIndex, int numCats, HashFreqVector **train, HashFreqVector **validate, int numIter, int numRestarts, double betastart, double betastop, double anneal, double betaMod)
	building with provided train/test partitions
	PLSA (const Index &dbIndex, int testPercentage, int numCats, int numIter, int numRestarts, double betastart, double betastop, double anneal, double betaMod)
	building without provided train/test partitions
	PLSA (const Index &dbIndex)
	for using prebuilt tables.
virtual	~PLSA ()
void	iterateWithRestarts ()
	Start things going.
double *	get_p_z () const
double **	get_p_w_z () const
	P(w|z) matrix.
double **	get_p_d_z () const
	P(d|z) matrix.
double	getProb (int d, int w) const
	P(d,w).
int	numWords () const
	number of terms
int	numDocs () const
	number of docs
int	numCats () const
	number of categories
bool	readArrays ()

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Detailed Description

Probabilistic Latent Semantic Analysis Java Reference implementation from Andrew Schein and Alexandrin Popescul (Penn). PennAspect (GPL).

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Constructor & Destructor Documentation

PLSA::PLSA (  const Index &    dbIndex, int    numCats, HashFreqVector **    train, HashFreqVector **    validate, int    numIter, int    numRestarts, double    betastart, double    betastop, double    anneal, double    betaMod )

building with provided train/test partitions

PLSA::PLSA (  const Index &    dbIndex, int    testPercentage, int    numCats, int    numIter, int    numRestarts, double    betastart, double    betastop, double    anneal, double    betaMod )

building without provided train/test partitions

PLSA::PLSA (  const Index &    dbIndex )

for using prebuilt tables.

PLSA::~PLSA (    )  [virtual]

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Member Function Documentation

double** PLSA::get_p_d_z (    )  const [inline]

P(d|z) matrix.

double** PLSA::get_p_w_z (    )  const [inline]

P(w|z) matrix.

double* PLSA::get_p_z (    )  const [inline]

get the final values P(z) vector

double PLSA::getProb (  int    d, int    w )  const

P(d,w).

void PLSA::iterateWithRestarts (    )

Start things going.

int PLSA::numCats (    )  const [inline]

number of categories

int PLSA::numDocs (    )  const [inline]

number of docs

int PLSA::numWords (    )  const [inline]

number of terms

bool PLSA::readArrays (    )

should these be public? On ctor if not constructing.

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The documentation for this class was generated from the following files:

• PLSA.hpp
• cluster/src/PLSA.cpp

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