lemur::cluster::ClusterRep Class Reference

Generic vector space representation for a cluster or document. More...

#include <ClusterRep.hpp>

List of all members.

Public Member Functions
	ClusterRep (const lemur::api::Index &ind)
	Empty rep.
	ClusterRep (lemur::api::DOCID_T did, const lemur::api::Index &ind)
	Rep for given document id.
	ClusterRep (lemur::api::TermInfoList *tList, const lemur::api::Index &ind)
	Rep for given TermInfoList.
	ClusterRep (vector< lemur::api::DOCID_T > &dids, const lemur::api::Index &ind)
	Rep for given vector of document ids.
	ClusterRep (lemur::utility::FloatFreqVector *v, const lemur::api::Index &ind)
	Rep for the given vector.
	ClusterRep (const ClusterRep *old)
	Copy constructor.
virtual	~ClusterRep ()
	clean up.
virtual void	normalize ()
	divide each element by the square root of the sum of the squared elements in the vector.
double	sum2 () const
	sum of the squared elements in the vector.
lemur::utility::FloatFreqVector *	getRep () const
	get the underlying frequency vector.
void	weigh (const double *vals)
	multiply each element by the corresponding entry in vals. Destructively modifies the vector
void	weigh (double val)
	multiply each element by val. Destructively modifies the vector
void	addVal (int id, double val)
	add val to each element in the vector. Destructively modifies the vector
void	addTerms (const vector< lemur::api::TERMID_T > &tids)
	add 1 to each element in the vector specified in tids. Destructively modifies the vector
void	addVec (const ClusterRep *v2)
	adds vector to rep. Destructively modifies the vector
void	subtract (const ClusterRep *v2)
	subtracts vector from rep. Destructively modifies the vector
double	dotProd (const ClusterRep *v2) const
	computes dot product between two reps.
Private Attributes
lemur::utility::FloatFreqVector *	rep
const lemur::api::Index &	index

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Detailed Description

Generic vector space representation for a cluster or document.

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Constructor & Destructor Documentation

lemur::cluster::ClusterRep::ClusterRep (  const lemur::api::Index &  ind  )  [inline]

Empty rep.

lemur::cluster::ClusterRep::ClusterRep (  lemur::api::DOCID_T  did, const lemur::api::Index &  ind )

Rep for given document id.

lemur::cluster::ClusterRep::ClusterRep (  lemur::api::TermInfoList *  tList, const lemur::api::Index &  ind )

Rep for given TermInfoList.

lemur::cluster::ClusterRep::ClusterRep (  vector< lemur::api::DOCID_T > &  dids, const lemur::api::Index &  ind )

Rep for given vector of document ids.

lemur::cluster::ClusterRep::ClusterRep (  lemur::utility::FloatFreqVector *  v, const lemur::api::Index &  ind )

Rep for the given vector.

lemur::cluster::ClusterRep::ClusterRep (  const ClusterRep *  old  )

Copy constructor.

lemur::cluster::ClusterRep::~ClusterRep (   )  [virtual]

clean up.

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Member Function Documentation

void lemur::cluster::ClusterRep::addTerms (  const vector< lemur::api::TERMID_T > &  tids  )  [inline]

add 1 to each element in the vector specified in tids. Destructively modifies the vector

void lemur::cluster::ClusterRep::addVal (  int  id, double  val )  [inline]

add val to each element in the vector. Destructively modifies the vector

void lemur::cluster::ClusterRep::addVec (  const ClusterRep *  v2  )  [inline]

adds vector to rep. Destructively modifies the vector

double lemur::cluster::ClusterRep::dotProd (  const ClusterRep *  v2  )  const [inline]

computes dot product between two reps.

lemur::utility::FloatFreqVector* lemur::cluster::ClusterRep::getRep (   )  const [inline]

get the underlying frequency vector.

void lemur::cluster::ClusterRep::normalize (   )  [virtual]

divide each element by the square root of the sum of the squared elements in the vector.

void lemur::cluster::ClusterRep::subtract (  const ClusterRep *  v2  )  [inline]

subtracts vector from rep. Destructively modifies the vector

double lemur::cluster::ClusterRep::sum2 (   )  const [inline]

sum of the squared elements in the vector.

void lemur::cluster::ClusterRep::weigh (  double  val  )  [inline]

multiply each element by val. Destructively modifies the vector

void lemur::cluster::ClusterRep::weigh (  const double *  vals  )  [inline]

multiply each element by the corresponding entry in vals. Destructively modifies the vector

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Member Data Documentation

const lemur::api::Index& lemur::cluster::ClusterRep::index [private]

lemur::utility::FloatFreqVector* lemur::cluster::ClusterRep::rep [private]

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

• ClusterRep.hpp
• ClusterRep.cpp

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