source: trunk/c++_tools/statistics/PearsonDistance.h @ 675

Last change on this file since 675 was 675, checked in by Jari Häkkinen, 15 years ago

References #83. Changing project name to yat. Compilation will fail in this revision.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Id
File size: 1.8 KB
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1#ifndef _theplu_statistics_pearson_distance_
2#define _theplu_statistics_pearson_distance_
3
4// $Id: PearsonDistance.h 675 2006-10-10 12:08:45Z jari $
5
6/*
7  Copyright (C) The authors contributing to this file.
8
9  This file is part of the yat library, http://lev.thep.lu.se/trac/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 2 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 this program; if not, write to the Free Software
23  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
24  02111-1307, USA.
25*/
26
27#include "yat/statistics/Distance.h"
28
29namespace theplu{
30 
31  namespace utility {
32    class vector;
33  }
34
35  namespace classifier {
36    class DataLookup1D;
37  }
38
39
40namespace statistics{
41  ///
42  /// Class for calculating distances using Pearson correlation.
43  /// d=1-C.
44  ///
45  class PearsonDistance : public Distance
46  {
47  public:
48
49    PearsonDistance()
50      : Distance()
51    {
52    }
53
54    virtual ~PearsonDistance()
55    {
56    }   
57   
58    // Use all operator() from Distance except the ones that are
59    // overloaded in this class.
60    using Distance::operator();
61
62    virtual double operator()(const utility::vector& x, 
63                              const utility::vector& y) const;
64
65
66    virtual double operator()(const utility::vector& x, 
67                              const utility::vector& y, 
68                              const utility::vector& wx, 
69                              const utility::vector& wy) const;
70
71  private:
72  };
73
74}} // of namespace statistics and namespace theplu
75
76#endif
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