GaussianProcessBinaryClassification.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) 2013 Roman Votyakov
 */

#ifndef _GAUSSIANPROCESSBINARYCLASSIFICATION_H_
#define _GAUSSIANPROCESSBINARYCLASSIFICATION_H_

#include <shogun/lib/config.h>

#ifdef HAVE_EIGEN3

#include <shogun/machine/GaussianProcessMachine.h>

namespace shogun
{

class CGaussianProcessBinaryClassification : public CGaussianProcessMachine
{
public:
    MACHINE_PROBLEM_TYPE(PT_BINARY);

    CGaussianProcessBinaryClassification();

    CGaussianProcessBinaryClassification(CInferenceMethod* method);

    virtual ~CGaussianProcessBinaryClassification();

    virtual CBinaryLabels* apply_binary(CFeatures* data=NULL);

    SGVector<float64_t> get_mean_vector(CFeatures* data);

    SGVector<float64_t> get_variance_vector(CFeatures* data);

    SGVector<float64_t> get_probabilities(CFeatures* data);

    virtual EMachineType get_classifier_type()
    {
        return CT_GAUSSIANPROCESSBINARY;
    }

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

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

    virtual bool is_label_valid(CLabels *lab) const
    {
        return (lab->get_label_type()==LT_BINARY);
    }
};
}
#endif /* HAVE_EIGEN3 */
#endif /* _GAUSSIANPROCESSCLASSIFICATION_H_ */