source: branches/0.4-stable/yat/classifier/FeatureSelectorRandom.h @ 1392

#ifndef _theplu_yat_classifier_featureselector_random_
#define _theplu_yat_classifier_featureselector_random_

// $Id: FeatureSelectorRandom.h 1392 2008-07-28 19:35:30Z peter $

/*
  Copyright (C) 2006, 2007 Jari Häkkinen, Peter Johansson

  This file is part of the yat library, http://dev.thep.lu.se/yat

  The yat library 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 2 of the
  License, or (at your option) any later version.

  The yat library is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
  02111-1307, USA.
*/

#include "FeatureSelector.h"

namespace theplu {
namespace yat {
namespace classifier {

  ///
  /// @brief Class for selection features by random.
  ///
  class FeatureSelectorRandom : public FeatureSelector
  {
  public:
    /// 
    /// @brief Default Constructor 
    /// 
    /// @param N number of features to select
    ///
    FeatureSelectorRandom(size_t N);

    ///
    ///
    ///
    void update(const MatrixLookup& data, const Target& target);

    ///
    ///
    ///
    void update(const MatrixLookupWeighted& data, const Target& target);

  private:
    /// Copy Constructor not implemented
    FeatureSelectorRandom(const FeatureSelectorRandom&);

    /// Assignment operator not implemented
    FeatureSelectorRandom& operator=(const FeatureSelectorRandom&);

    void update(size_t);

  };

}}} // of namespace classifier, yat, and theplu

#endif