KRR.h

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/*
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * Written (W) 2006 Mikio L. Braun
 * Written (W) 1999-2009 Soeren Sonnenburg
 * Copyright (C) 1999-2009 Fraunhofer Institute FIRST and Max-Planck-Society
 */

#ifndef _KRR_H__
#define _KRR_H__

#include <shogun/lib/config.h>
#include <shogun/regression/Regression.h>

#ifdef HAVE_LAPACK

#include <shogun/machine/KernelMachine.h>

namespace shogun
{
class CKRR : public CKernelMachine
{
    public:
        CKRR();

        CKRR(float64_t tau, CKernel* k, CLabels* lab);
        virtual ~CKRR();

        inline void set_tau(float64_t t) { tau = t; };

        virtual CLabels* apply();

        virtual float64_t apply(int32_t num);

        virtual bool load(FILE* srcfile);

        virtual bool save(FILE* dstfile);

        inline virtual EClassifierType get_classifier_type()
        {
            return CT_KRR;
        }

        inline virtual const char* get_name() const { return "KRR"; }

    protected:
        virtual bool train_machine(CFeatures* data=NULL);

    private:
        float64_t *alpha;
        float64_t tau;
};
}
#endif // HAVE_LAPACK
#endif // _KRR_H__