mshiftbeta Class Reference

#include <shiftlm.h>

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List of all members.

Public Member Functions
	mshiftbeta (char *ngtfile, int depth=0, int prunefreq=0, TABLETYPE tt=MSHIFTBETA_B)
int	train ()
int	discount (ngram ng, int size, double &fstar, double &lambda, int cv=0)
	~mshiftbeta ()
int	mfreq (ngram &ng, int l)
Protected Attributes
int	prunethresh
double	beta [3][MAX_NGRAM]
ngramtable *	tb [MAX_NGRAM]
double	oovsum

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Detailed Description

Definition at line 63 of file shiftlm.h.

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Constructor & Destructor Documentation

mshiftbeta::mshiftbeta	(	char *	ngtfile,
		int	depth = 0,
		int	prunefreq = 0,
		TABLETYPE	tt = MSHIFTBETA_B
	)

Definition at line 302 of file shiftlm.cpp.

References beta, and prunethresh.

mshiftbeta::~mshiftbeta

(

)

[inline]

Definition at line 77 of file shiftlm.h.

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Member Function Documentation

int mshiftbeta::discount	(	ngram	ng,
		int	size,
		double &	fstar,
		double &	lambda,
		int	cv = 0
	)			[virtual]

Reimplemented from mdiadaptlm.

Definition at line 427 of file shiftlm.cpp.

References beta, ngramtable::btotfreq(), ngram::ckhisto(), dictionary::decode(), ngramtable::dict, ngram::freq, ngram::link, interplm::lmsize(), ngramtable::maxlevel(), mfreq(), dictionary::oovcode(), interplm::prunesingletons(), prunethresh, interplm::prunetopsingletons(), ngram::succ, ngramtable::succ1(), ngramtable::succ2(), ngramtable::totfreq(), ngram::trans(), and ngram::wordp().

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int mshiftbeta::mfreq	(	ngram &	ng,
		int	l
	)			[inline]

Definition at line 79 of file shiftlm.h.

References ngram::freq, ngramtable::getfreq(), ngram::link, interplm::lmsize(), and ngram::pinfo.

Referenced by discount(), and train().

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int mshiftbeta::train

(

)

[virtual]

Reimplemented from interplm.

Definition at line 317 of file shiftlm.cpp.

References beta, dictionary::BoS(), CONT, ngram::containsWord(), ngramtable::dict, dictionary::EoS(), ngram::freq, interplm::gencorrcounts(), interplm::gensuccstat(), INIT, interplm::lmsize(), mfreq(), dictionary::OOV(), oovsum, ngramtable::scan(), and interplm::trainunigr().

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Member Data Documentation

double mshiftbeta::beta[3][MAX_NGRAM] [protected]

Definition at line 67 of file shiftlm.h.

Referenced by discount(), mshiftbeta(), and train().

double mshiftbeta::oovsum [protected]

Definition at line 70 of file shiftlm.h.

Referenced by train().

int mshiftbeta::prunethresh [protected]

Definition at line 66 of file shiftlm.h.

Referenced by discount(), and mshiftbeta().

ngramtable* mshiftbeta::tb[MAX_NGRAM] [protected]

Definition at line 68 of file shiftlm.h.

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

• /disk4/html/www/moses/doxygen/irstlm/trunk/src/shiftlm.h
• /disk4/html/www/moses/doxygen/irstlm/trunk/src/shiftlm.cpp