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SmoothedMLEstimator Class Reference

Common implementation of a (smoothed) unigram LM estimated based on a counter. More...

#include <UnigramLM.hpp>

Inheritance diagram for SmoothedMLEstimator:

List of all members.

Public Methods
	SmoothedMLEstimator (Counter &counter,const char *lexiconID)
virtual	~SmoothedMLEstimator ()
virtual double	prob (int wordIndex)
	return p(w).
virtual void	startIteration ()
	iteration over non-zero probability entries.
virtual bool	hasMore ()
virtual void	nextWordProb (int &wordIndex,double &prob)
virtual const char*	lexiconID ()
	return a string ID of the lexicon on which the word index should be interpreted.
virtual double	probEstimate (int wordIndex,double wdCount,double sumCount)=0
	individual model differs in its implementation of probEstimate() method.
Protected Attributes
Counter&	ct
const char*	lexID

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Detailed Description

Common implementation of a (smoothed) unigram LM estimated based on a counter.

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Constructor & Destructor Documentation

SmoothedMLEstimator::SmoothedMLEstimator ( Counter & counter, const char * lexiconID ) [inline]

SmoothedMLEstimator::~SmoothedMLEstimator ( ) [inline, virtual]

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Member Function Documentation

bool SmoothedMLEstimator::hasMore ( ) [inline, virtual]

Reimplemented from UnigramLM.

const char * SmoothedMLEstimator::lexiconID ( ) [inline, virtual]

return a string ID of the lexicon on which the word index should be interpreted. Reimplemented from UnigramLM.

void SmoothedMLEstimator::nextWordProb ( int & wordIndex, double & prob ) [inline, virtual]

Reimplemented from UnigramLM.

double SmoothedMLEstimator::prob ( int wordIndex ) [inline, virtual]

return p(w). Reimplemented from UnigramLM.

double SmoothedMLEstimator::probEstimate ( int wordIndex, double count, double sum ) [pure virtual]

individual model differs in its implementation of probEstimate() method. Reimplemented in MLUnigramLM, LaplaceUnigramLM, DirichletUnigramLM, and InterpUnigramLM.

void SmoothedMLEstimator::startIteration ( ) [inline, virtual]

iteration over non-zero probability entries. Reimplemented from UnigramLM.

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Member Data Documentation

Counter & SmoothedMLEstimator::ct [protected]

const char * SmoothedMLEstimator::lexID [protected]

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

• UnigramLM.hpp

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