KRR.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 Mikio L. Braun
00008  * Written (W) 1999-2009 Soeren Sonnenburg
00009  * Copyright (C) 1999-2009 Fraunhofer Institute FIRST and Max-Planck-Society
00010  */
00011 
00012 #ifndef _KRR_H__
00013 #define _KRR_H__
00014 
00015 #include "lib/config.h"
00016 #include "regression/Regression.h"
00017 
00018 #ifdef HAVE_LAPACK
00019 
00020 #include "classifier/KernelMachine.h"
00021 
00022 namespace shogun
00023 {
00054 class CKRR : public CKernelMachine
00055 {
00056     public:
00058         CKRR();
00059 
00066         CKRR(float64_t tau, CKernel* k, CLabels* lab);
00067         virtual ~CKRR();
00068 
00073         inline void set_tau(float64_t t) { tau = t; };
00074 
00083         virtual bool train(CFeatures* data=NULL);
00084 
00089         virtual CLabels* classify();
00090 
00096         virtual float64_t classify_example(int32_t num);
00097 
00103         virtual CLabels* classify(CFeatures* data)
00104         {
00105             return CKernelMachine::classify(data);
00106         }
00107 
00113         virtual bool load(FILE* srcfile);
00114 
00120         virtual bool save(FILE* dstfile);
00121 
00126         inline virtual EClassifierType get_classifier_type()
00127         {
00128             return CT_KRR;
00129         }
00130 
00132         inline virtual const char* get_name() const { return "KRR"; }
00133 
00134     private:
00136         float64_t *alpha;
00138         float64_t tau;
00139 };
00140 }
00141 #endif // HAVE_LAPACK
00142 #endif // _KRR_H__
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