source: trunk/yat/classifier/KNN_ReciprocalDistance.h @ 2966

Last change on this file since 2966 was 2966, checked in by Jari Häkkinen, 9 years ago

Includes needed in openSUSE 12.2

  • Property svn:eol-style set to native
  • Property svn:keywords set to Id
File size: 1.7 KB
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1#ifndef theplu_yat_classifier_knn_reciprocal_distance_h
2#define theplu_yat_classifier_knn_reciprocal_distance_h
3
4// $Id: KNN_ReciprocalDistance.h 2966 2013-01-23 21:42:08Z jari $
5
6/*
7  Copyright (C) 2008 Jari Häkkinen, Peter Johansson, Markus Ringnér
8
9  This file is part of the yat library, http://dev.thep.lu.se/yat
10
11  The yat library is free software; you can redistribute it and/or
12  modify it under the terms of the GNU General Public License as
13  published by the Free Software Foundation; either version 3 of the
14  License, or (at your option) any later version.
15
16  The yat library is distributed in the hope that it will be useful,
17  but WITHOUT ANY WARRANTY; without even the implied warranty of
18  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19  General Public License for more details.
20
21  You should have received a copy of the GNU General Public License
22  along with yat. If not, see <http://www.gnu.org/licenses/>.
23*/
24
25
26#include <cstddef>
27#include <vector>
28
29namespace theplu {
30namespace yat {
31 
32  namespace utility {
33    class VectorBase;
34    class VectorMutable;
35  }
36
37namespace classifier {
38
39  class Target;
40 
41  ///
42  /// @brief A model of the concept \ref concept_neighbor_weighting to
43  /// be used with KNN to weight the votes of the k nearest neighbors
44  /// of a sample.
45  ///
46  /// KNN_ReciprocalDistance weights the vote of a nearest neighbor with
47  /// its reciprocal rank.
48  struct KNN_ReciprocalDistance
49  {   
50    /**
51       The total vote for each class is calculated and returned in prediction.
52    */
53    void operator()(const utility::VectorBase& dist,
54                    const std::vector<size_t>& k_sorted,
55                    const Target& target, 
56                    utility::VectorMutable& prediction) const;   
57  };
58
59}}} // of namespace classifier, yat, and theplu
60   
61#endif
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