ClusteringEvaluation.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 Chiyuan Zhang
 * Copyright (C) 2012 Chiyuan Zhang
 */

#ifndef __CLUSTERINGEVALUATION_H__
#define __CLUSTERINGEVALUATION_H__

#include <shogun/lib/config.h>

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

namespace shogun
{

class CClusteringEvaluation: public CEvaluation
{
public:
    CClusteringEvaluation(): CEvaluation() {}

    virtual ~CClusteringEvaluation() {}

    void best_map(CLabels* predicted, CLabels* ground_truth);

    virtual float64_t evaluate(CLabels* predicted, CLabels* ground_truth) = 0;
protected:
    int32_t find_match_count(SGVector<int32_t> l1, int32_t m1, SGVector<int32_t> l2, int32_t m2);

    int32_t find_mismatch_count(SGVector<int32_t> l1, int32_t m1, SGVector<int32_t> l2, int32_t m2);
};

} // namespace shogun

#endif /* end of include guard: __CLUSTERINGEVALUATION_H__ */