source: trunk/c++_tools/statistics/PearsonDistance.cc @ 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: 1.6 KB
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1// $Id: PearsonDistance.cc 675 2006-10-10 12:08:45Z jari $
2
3/*
4  Copyright (C) The authors contributing to this file.
5
6  This file is part of the yat library, http://lev.thep.lu.se/trac/yat
7
8  The yat library is free software; you can redistribute it and/or
9  modify it under the terms of the GNU General Public License as
10  published by the Free Software Foundation; either version 2 of the
11  License, or (at your option) any later version.
12
13  The yat library is distributed in the hope that it will be useful,
14  but WITHOUT ANY WARRANTY; without even the implied warranty of
15  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16  General Public License for more details.
17
18  You should have received a copy of the GNU General Public License
19  along with this program; if not, write to the Free Software
20  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
21  02111-1307, USA.
22*/
23
24#include "yat/statistics/PearsonDistance.h"
25
26#include "yat/statistics/AveragerPair.h"
27#include "yat/statistics/AveragerPairWeighted.h"
28#include "yat/utility/vector.h"
29
30namespace theplu{
31namespace statistics{
32
33  double PearsonDistance::operator()(const utility::vector& x, 
34                                     const utility::vector& y) const
35  {
36    AveragerPair ap;
37    ap.add_values(x,y);
38    return 1-ap.correlation();
39  }
40
41
42  double PearsonDistance::operator()(const utility::vector& x, 
43                                     const utility::vector& y, 
44                                     const utility::vector& wx, 
45                                     const utility::vector& wy) const
46  {
47    AveragerPairWeighted ap;
48    ap.add_values(x,y,wx, wy);
49    return 1-ap.correlation();   
50  }
51
52
53
54
55}} // of namespace statistics and namespace theplu
56
57
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