StructuredAccuracy.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) 2012 Fernando José Iglesias García
 * Copyright (C) 2012 Fernando José Iglesias García
 */

#ifndef __STRUCTURED_ACCURACY_H__
#define __STRUCTURED_ACCURACY_H__

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

namespace shogun
{

class CStructuredAccuracy : public CEvaluation
{
    public:
        CStructuredAccuracy();

        virtual ~CStructuredAccuracy();

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

        static SGMatrix<int32_t> get_confusion_matrix(CLabels* predicted, CLabels* ground_truth);

        inline EEvaluationDirection get_evaluation_direction()
        {
            return ED_MAXIMIZE;
        }

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

    private:
        float64_t evaluate_real(CStructuredLabels* predicted, CStructuredLabels* ground_truth);

        float64_t evaluate_sequence(CStructuredLabels* predicted, CStructuredLabels* ground_truth);

}; /* class CStructuredAccuracy*/

} /* namespace shogun */

#endif /* __STRUCTURED_ACCURACY_H__ */