COnlineSVMSGD Class Reference

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Detailed Description

class OnlineSVMSGD

Definition at line 33 of file OnlineSVMSGD.h.

Inheritance diagram for COnlineSVMSGD:

List of all members.

Public Member Functions
	COnlineSVMSGD ()
	COnlineSVMSGD (float64_t C)
	COnlineSVMSGD (float64_t C, CStreamingDotFeatures *traindat)
virtual	~COnlineSVMSGD ()
virtual EClassifierType	get_classifier_type ()
virtual bool	train (CFeatures *data=NULL)
void	set_C (float64_t c_neg, float64_t c_pos)
float64_t	get_C1 ()
float64_t	get_C2 ()
void	set_epochs (int32_t e)
int32_t	get_epochs ()
void	set_lambda (float64_t l)
float64_t	get_lambda ()
void	set_bias_enabled (bool enable_bias)
bool	get_bias_enabled ()
void	set_regularized_bias_enabled (bool enable_bias)
bool	get_regularized_bias_enabled ()
void	set_loss_function (CLossFunction *loss_func)
CLossFunction *	get_loss_function ()
virtual const char *	get_name () const
Protected Member Functions
void	calibrate (int32_t max_vec_num=1000)

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Constructor & Destructor Documentation

COnlineSVMSGD

(

)

default constructor

Definition at line 30 of file OnlineSVMSGD.cpp.

COnlineSVMSGD

(

float64_t

C

)

constructor

Parameters:

C

constant C

Definition at line 36 of file OnlineSVMSGD.cpp.

COnlineSVMSGD	(	float64_t	C,
		CStreamingDotFeatures *	traindat
	)

constructor

Parameters:

	C	constant C
	traindat	training features

Definition at line 45 of file OnlineSVMSGD.cpp.

~COnlineSVMSGD

(

)

[virtual]

Definition at line 55 of file OnlineSVMSGD.cpp.

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Member Function Documentation

void calibrate

(

int32_t

max_vec_num = 1000

)

[protected]

calibrate

Parameters:

max_vec_num

Maximum number of vectors to calibrate using (optional) if set to -1, tries to calibrate using all vectors

Definition at line 167 of file OnlineSVMSGD.cpp.

bool get_bias_enabled

(

)

check if bias is enabled

Returns:

if bias is enabled

Definition at line 124 of file OnlineSVMSGD.h.

float64_t get_C1

(

)

get C1

Returns:

C1

Definition at line 82 of file OnlineSVMSGD.h.

float64_t get_C2

(

)

get C2

Returns:

C2

Definition at line 88 of file OnlineSVMSGD.h.

virtual EClassifierType get_classifier_type

(

)

[virtual]

get classifier type

Returns:

classifier type OnlineSVMSGD

Reimplemented from CMachine.

Definition at line 58 of file OnlineSVMSGD.h.

int32_t get_epochs

(

)

get epochs

Returns:

the number of training epochs

Definition at line 100 of file OnlineSVMSGD.h.

float64_t get_lambda

(

)

get lambda

Returns:

the regularization parameter lambda

Definition at line 112 of file OnlineSVMSGD.h.

CLossFunction* get_loss_function

(

)

Return the loss function

Returns:

loss function as CLossFunction*

Definition at line 148 of file OnlineSVMSGD.h.

virtual const char* get_name

(

)

const [virtual]

Returns:

object name

Reimplemented from COnlineLinearMachine.

Definition at line 151 of file OnlineSVMSGD.h.

bool get_regularized_bias_enabled

(

)

check if regularized bias is enabled

Returns:

if regularized bias is enabled

Definition at line 136 of file OnlineSVMSGD.h.

void set_bias_enabled

(

bool

enable_bias

)

set if bias shall be enabled

Parameters:

enable_bias

if bias shall be enabled

Definition at line 118 of file OnlineSVMSGD.h.

void set_C	(	float64_t	c_neg,
		float64_t	c_pos
	)

set C

Parameters:

	c_neg	new C constant for negatively labeled examples
	c_pos	new C constant for positively labeled examples

Definition at line 76 of file OnlineSVMSGD.h.

void set_epochs

(

int32_t

e

)

set epochs

Parameters:

e

new number of training epochs

Definition at line 94 of file OnlineSVMSGD.h.

void set_lambda

(

float64_t

l

)

set lambda

Parameters:

l

value of regularization parameter lambda

Definition at line 106 of file OnlineSVMSGD.h.

void set_loss_function

(

CLossFunction *

loss_func

)

Set the loss function to use

Parameters:

loss_func

object derived from CLossFunction

Definition at line 60 of file OnlineSVMSGD.cpp.

void set_regularized_bias_enabled

(

bool

enable_bias

)

set if regularized bias shall be enabled

Parameters:

enable_bias

if regularized bias shall be enabled

Definition at line 130 of file OnlineSVMSGD.h.

bool train

(

CFeatures *

data = NULL

)

[virtual]

train classifier

Parameters:

data

training data (parameter can be avoided if distance or kernel-based classifiers are used and distance/kernels are initialized with train data)

Returns:

whether training was successful

Reimplemented from CMachine.

Definition at line 68 of file OnlineSVMSGD.cpp.

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

• OnlineSVMSGD.h
• OnlineSVMSGD.cpp