RandomSearchModelSelection.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.
 *
 * Copyright (C) 2011 Heiko Strathmann
 * Copyright (C) 2012 Sergey Lisitsyn
 */

#ifndef RANDOMSEARCHMODELSELECTION_H_
#define RANDOMSEARCHMODELSELECTION_H_

#include <shogun/modelselection/ModelSelection.h>
#include <shogun/base/DynArray.h>

namespace shogun
{

class CModelSelectionParameters;

class CRandomSearchModelSelection: public CModelSelection
{
public:
    CRandomSearchModelSelection();

    CRandomSearchModelSelection(CModelSelectionParameters* model_parameters,
            CMachineEvaluation* machine_eval, float64_t ratio);

    virtual ~CRandomSearchModelSelection();

    float64_t get_ratio() const { return m_ratio; };
    void set_ratio(float64_t ratio) { REQUIRE(ratio>0.0 && ratio<1.0, "Ratio should be in ]0,1[ range"); m_ratio = ratio; };

    virtual CParameterCombination* select_model(bool print_state=false);

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

protected:
    float64_t m_ratio;

};

}

#endif /* RANDOMSEARCHMODELSELECTION_H_ */