MeanSquaredError.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) 2011 Sergey Lisitsyn
 * Copyright (C) 2011 Berlin Institute of Technology and Max-Planck-Society
 */

#ifndef MEANSQUAREDERROR_H_
#define MEANSQUAREDERROR_H_

#include <shogun/lib/config.h>

#include <shogun/evaluation/Evaluation.h>
#include <shogun/labels/Labels.h>

namespace shogun
{

class CLabels;

class CMeanSquaredError: public CEvaluation
{
public:
    CMeanSquaredError() : CEvaluation() {};

    virtual ~CMeanSquaredError() {};

    virtual float64_t evaluate(CLabels* predicted, CLabels* ground_truth);

    inline EEvaluationDirection get_evaluation_direction() const
    {
        return ED_MINIMIZE;
    }

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

}

#endif /* MEANSQUAREDERROR_H_ */