shiftbeta Class Reference

#include <shiftlm.h>

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List of all members.

Public Member Functions
	shiftbeta (char *ngtfile, int depth=0, int prunefreq=0, double beta=-1, TABLETYPE tt=SHIFTBETA_B)
int	train ()
int	discount (ngram ng, int size, double &fstar, double &lambda, int cv=0)
	~shiftbeta ()
Protected Attributes
int	prunethresh
double *	beta

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Detailed Description

Definition at line 37 of file shiftlm.h.

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Constructor & Destructor Documentation

shiftbeta::shiftbeta	(	char *	ngtfile,
		int	depth = 0,
		int	prunefreq = 0,
		double	beta = -1,
		TABLETYPE	tt = SHIFTBETA_B
	)

Definition at line 127 of file shiftlm.cpp.

References beta, interplm::lmsize(), and prunethresh.

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shiftbeta::~shiftbeta

(

)

[inline]

Definition at line 47 of file shiftlm.h.

References beta.

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Member Function Documentation

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

Reimplemented from mdiadaptlm.

Reimplemented in symshiftbeta.

Definition at line 221 of file shiftlm.cpp.

References beta, ngram::ckhisto(), ngramtable::dict, ngram::freq, ngram::link, dictionary::oovcode(), interplm::prunesingletons(), prunethresh, ngram::succ, ngramtable::succ1(), ngram::trans(), interplm::unigr(), and ngram::wordp().

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int shiftbeta::train

(

)

[virtual]

Reimplemented from interplm.

Definition at line 147 of file shiftlm.cpp.

References beta, dictionary::BoS(), CONT, ngram::containsWord(), ngramtable::dict, dictionary::EoS(), ngram::freq, INIT, ngram::link, interplm::lmsize(), dictionary::OOV(), ngram::pushc(), ngramtable::scan(), ngramtable::succ1(), ngramtable::succscan(), and interplm::trainunigr().

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Member Data Documentation

double* shiftbeta::beta [protected]

Definition at line 41 of file shiftlm.h.

Referenced by symshiftbeta::discount(), discount(), shiftbeta(), train(), and ~shiftbeta().

int shiftbeta::prunethresh [protected]

Definition at line 40 of file shiftlm.h.

Referenced by discount(), and shiftbeta().

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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