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

#ifndef RANDOMSEARCHMODELSELECTION_H_
#define RANDOMSEARCHMODELSELECTION_H_

#include <shogun/lib/config.h>

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

namespace shogun
{
class CModelSelectionParameters;

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

    CRandomSearchModelSelection(CMachineEvaluation* machine_eval,
            CModelSelectionParameters* model_parameters, 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\n")
        m_ratio=ratio;
    }

    virtual CParameterCombination* select_model(bool print_state=false);

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

protected:
    float64_t m_ratio;
};
}
#endif /* RANDOMSEARCHMODELSELECTION_H_ */