StructuredAccuracy.h

Go to the documentation of this file.

/*
 * 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 Abinash Panda
 * Written (W) 2012 Fernando José Iglesias García
 * Copyright (C) 2012 Fernando José Iglesias García
 */

#ifndef __STRUCTURED_ACCURACY_H__
#define __STRUCTURED_ACCURACY_H__

#include <shogun/lib/config.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() const
    {
        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);

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

}; /* class CStructuredAccuracy*/

} /* namespace shogun */

#endif /* __STRUCTURED_ACCURACY_H__ */