RecurBayes Class Reference

Collaboration diagram for RecurBayes:

[legend]

List of all members.

Classes
struct	ClassInfo
Public Member Functions
	RecurBayes (uint numClasses, uint numFeatures, uint nfix)
	~RecurBayes ()
	Destructor.
void	learn (std::vector< double > &fv, const char *name, uint fix)
	Learn to associate a feature vector with a particuler class name.
int	classify (std::vector< double > &fv, double *prob=NULL, uint fix=1)
	classify a given feature vector
double	getMean (uint cls, uint i, uint fix)
	Get the mean for a particuler feature.
double	getStdevSq (uint cls, uint i, uint fix)
	Get the stdev Squared for a particuler feature.
uint	getNumFeatures ()
	Get the number of features.
uint	getNumClasses ()
	Get the number of classes.
uint	getClassFreq (uint cls)
	Get the Freq of a given class.
double	getClassProb (uint cls)
	Get the probability of a given class.
double	getStatSig (std::vector< double > &fv, uint cls, uint fix)
	return the statistical significent of the FV for a given class
double	gauss (double x, double mean, double stdevSq)
	Calculate a Normal Dist (use the srdev squared.
void	save (const char *filename)
	Save the network to a file.
void	load (const char *filename)
	Load the network from a file.
void	setFeatureName (uint index, const char *name)
	set feature name (for debuging)
const char *	getFeatureName (const uint index) const
	get feature name (for debuging)
int	addClass (const char *name)
	Add class by name and return its Id.
const char *	getClassName (const uint id)
	Get the class name from a given Id.
int	getClassId (const char *name)
	Get the class id from a given name.

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Detailed Description

Definition at line 46 of file RecurBayes.H.

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Constructor & Destructor Documentation

RecurBayes::RecurBayes	(	uint	numClasses,
		uint	numFeatures,
		uint	nfix
	)

Construct a bayes classifer with a given number of features and number of classes

Definition at line 51 of file RecurBayes.C.

RecurBayes::~RecurBayes

(

)

Destructor.

Definition at line 67 of file RecurBayes.C.

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Member Function Documentation

int RecurBayes::addClass

(

const char *

name

)

Add class by name and return its Id.

Definition at line 340 of file RecurBayes.C.

References getClassId().

Referenced by learn().

int RecurBayes::classify	(	std::vector< double > &	fv,
		double *	prob = NULL,
		uint	fix = 1
	)

classify a given feature vector

Definition at line 153 of file RecurBayes.C.

References exp(), gauss(), getClassProb(), log(), and max().

double RecurBayes::gauss	(	double	x,
		double	mean,
		double	stdevSq
	)

Calculate a Normal Dist (use the srdev squared.

Definition at line 216 of file RecurBayes.C.

References exp(), and sqrt().

Referenced by classify().

uint RecurBayes::getClassFreq

(

uint

cls

)

Get the Freq of a given class.

Definition at line 132 of file RecurBayes.C.

References ASSERT.

int RecurBayes::getClassId

(

const char *

name

)

Get the class id from a given name.

Definition at line 375 of file RecurBayes.C.

Referenced by addClass(), and learn().

const char * RecurBayes::getClassName

(

const uint

id

)

Get the class name from a given Id.

Definition at line 367 of file RecurBayes.C.

References ASSERT.

double RecurBayes::getClassProb

(

uint

cls

)

Get the probability of a given class.

Definition at line 139 of file RecurBayes.C.

References ASSERT.

Referenced by classify().

const char * RecurBayes::getFeatureName

(

const uint

index

)

const

get feature name (for debuging)

Definition at line 332 of file RecurBayes.C.

References ASSERT.

double RecurBayes::getMean	(	uint	cls,
		uint	i,
		uint	fix
	)

Get the mean for a particuler feature.

Definition at line 106 of file RecurBayes.C.

References ASSERT.

uint RecurBayes::getNumClasses

(

)

Get the number of classes.

Definition at line 126 of file RecurBayes.C.

uint RecurBayes::getNumFeatures

(

)

Get the number of features.

Definition at line 120 of file RecurBayes.C.

double RecurBayes::getStatSig	(	std::vector< double > &	fv,
		uint	cls,
		uint	fix
	)

return the statistical significent of the FV for a given class

Definition at line 194 of file RecurBayes.C.

References ASSERT, and log().

double RecurBayes::getStdevSq	(	uint	cls,
		uint	i,
		uint	fix
	)

Get the stdev Squared for a particuler feature.

Definition at line 113 of file RecurBayes.C.

References ASSERT.

void RecurBayes::learn	(	std::vector< double > &	fv,
		const char *	name,
		uint	fix
	)

Learn to associate a feature vector with a particuler class name.

Definition at line 73 of file RecurBayes.C.

References addClass(), ASSERT, and getClassId().

void RecurBayes::load

(

const char *

filename

)

Load the network from a file.

Definition at line 265 of file RecurBayes.C.

void RecurBayes::save

(

const char *

filename

)

Save the network to a file.

Definition at line 223 of file RecurBayes.C.

void RecurBayes::setFeatureName	(	uint	index,
		const char *	name
	)

set feature name (for debuging)

Definition at line 325 of file RecurBayes.C.

References ASSERT.

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

• src/Learn/RecurBayes.H
• src/Learn/RecurBayes.C