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AbsoluteDiscountDocModel Class Reference

Absolute discout smoothing. More...

#include <SimpleKLDocModel.hpp>

Inheritance diagram for AbsoluteDiscountDocModel:

List of all members.

Public Methods
	AbsoluteDiscountDocModel (DOCID_T docID, int dl, const UnigramLM &collectLM, const double *docProbMass, COUNT_T *uniqueTermCount, double discount, SimpleKLParameter::SmoothStrategy smthStrategy=SimpleKLParameter::INTERPOLATE)
virtual	~AbsoluteDiscountDocModel ()
virtual double	unseenCoeff () const
	a(d)
virtual double	seenProb (double termFreq, TERMID_T termID) const
	p(w|d), w seen

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Detailed Description

Absolute discout smoothing.

P(w|d) = (termFreq - delta)/|d|+ lambda*Pc(w) if seen or = lambda*Pc(w) if unseen where, lambda = unique-term-count-in-d*delta/|d|

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Constructor & Destructor Documentation

AbsoluteDiscountDocModel::AbsoluteDiscountDocModel (  DOCID_T    docID, int    dl, const UnigramLM &    collectLM, const double *    docProbMass, COUNT_T *    uniqueTermCount, double    discount, SimpleKLParameter::SmoothStrategy    smthStrategy = SimpleKLParameter::INTERPOLATE )  [inline]

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

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Member Function Documentation

virtual double AbsoluteDiscountDocModel::seenProb (  double    termFreq, TERMID_T    termID )  const [inline, virtual]

p(w|d), w seen Implements SimpleKLDocModel.

virtual double AbsoluteDiscountDocModel::unseenCoeff (    )  [inline, virtual]

a(d) Implements SimpleKLDocModel.

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

• SimpleKLDocModel.hpp

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