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src
shogun
classifier
LDA.h
浏览该文件的文档.
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/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* Written (W) 1999-2009 Soeren Sonnenburg
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* Copyright (C) 1999-2009 Fraunhofer Institute FIRST and Max-Planck-Society
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*/
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#ifndef _LDA_H___
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#define _LDA_H___
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#include <
shogun/lib/config.h
>
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#ifdef HAVE_LAPACK
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#include <
shogun/lib/common.h
>
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#include <
shogun/features/Features.h
>
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#include <
shogun/features/DenseFeatures.h
>
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#include <
shogun/machine/LinearMachine.h
>
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namespace
shogun
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{
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template
<
class
ST>
class
CDenseFeatures
;
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class
CLDA
:
public
CLinearMachine
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{
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public
:
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MACHINE_PROBLEM_TYPE
(
PT_BINARY
);
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CLDA
(
float64_t
gamma=0);
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CLDA
(
float64_t
gamma,
CDenseFeatures<float64_t>
* traindat,
CLabels
* trainlab);
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virtual
~CLDA
();
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inline
void
set_gamma
(
float64_t
gamma)
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{
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m_gamma
=gamma;
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}
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inline
float64_t
get_gamma
()
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{
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return
m_gamma
;
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}
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virtual
EMachineType
get_classifier_type
()
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{
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return
CT_LDA
;
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}
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virtual
void
set_features
(
CDotFeatures
* feat)
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{
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if
(feat->
get_feature_class
() !=
C_DENSE
||
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feat->
get_feature_type
() !=
F_DREAL
)
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SG_ERROR
(
"LDA requires SIMPLE REAL valued features\n"
)
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CLinearMachine::set_features
(feat);
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}
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virtual
const
char
*
get_name
()
const
{
return
"LDA"
; }
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protected
:
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virtual
bool
train_machine
(
CFeatures
* data=NULL);
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protected
:
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float64_t
m_gamma
;
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};
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}
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#endif
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#endif
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