source: branches/0.4-stable/yat/classifier/KNN_ReciprocalDistance.cc @ 1392

// $Id: KNN_ReciprocalDistance.cc 1392 2008-07-28 19:35:30Z peter $

// $Id: KNN_ReciprocalDistance.cc 1392 2008-07-28 19:35:30Z peter $

/*
  Copyright (C) 2008 Markus Ringnér

  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 "KNN_ReciprocalDistance.h"
#include "Target.h"

#include "yat/utility/VectorBase.h"
#include "yat/utility/VectorMutable.h"

#include <vector>

namespace theplu {
namespace yat {
namespace classifier {

  void KNN_ReciprocalDistance::operator()(const utility::VectorBase& distance,
                                          const std::vector<size_t> k_sorted, 
                                          const Target& target, 
                                          utility::VectorMutable& prediction) const
  {
    for(size_t j=0;j<k_sorted.size();j++) 
      prediction(target(k_sorted[j]))+=1.0/distance(k_sorted[j]);           
  }

}}}