SVMLin.h

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00001 /*
00002  * This program is free software; you can redistribute it and/or modify
00003  * it under the terms of the GNU General Public License as published by
00004  * the Free Software Foundation; either version 3 of the License, or
00005  * (at your option) any later version.
00006  *
00007  * Written (W) 2006-2009 Soeren Sonnenburg
00008  * Copyright (C) 2006-2009 Fraunhofer Institute FIRST and Max-Planck-Society
00009  */
00010 
00011 #ifndef _SVMLIN_H___
00012 #define _SVMLIN_H___
00013 
00014 #include "lib/common.h"
00015 #include "classifier/LinearClassifier.h"
00016 #include "features/DotFeatures.h"
00017 #include "features/Labels.h"
00018 
00019 namespace shogun
00020 {
00022 class CSVMLin : public CLinearClassifier
00023 {
00024     public:
00026         CSVMLin();
00027 
00034         CSVMLin(
00035             float64_t C, CDotFeatures* traindat,
00036             CLabels* trainlab);
00037         virtual ~CSVMLin();
00038 
00043         virtual inline EClassifierType get_classifier_type() { return CT_SVMLIN; }
00044 
00053         virtual bool train(CFeatures* data=NULL);
00054 
00061         inline void set_C(float64_t c_neg, float64_t c_pos) { C1=c_neg; C2=c_pos; }
00062 
00067         inline float64_t get_C1() { return C1; }
00068 
00073         inline float64_t get_C2() { return C2; }
00074 
00079         inline void set_bias_enabled(bool enable_bias) { use_bias=enable_bias; }
00080 
00085         inline bool get_bias_enabled() { return use_bias; }
00086 
00091         inline void set_epsilon(float64_t eps) { epsilon=eps; }
00092 
00097         inline float64_t get_epsilon() { return epsilon; }
00098 
00100         inline virtual const char* get_name() const { return "SVMLin"; }
00101 
00102     protected:
00104         float64_t C1;
00106         float64_t C2;
00108         float64_t epsilon;
00109 
00111         bool use_bias;
00112 };
00113 }
00114 #endif
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