source: trunk/yat/statistics/PearsonCorrelation.cc @ 1794

Last change on this file since 1794 was 1794, checked in by Peter, 13 years ago

adding missing implementations

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 1.5 KB
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1// $Id: PearsonCorrelation.cc 1794 2009-02-11 17:04:10Z peter $
2
3/*
4  Copyright (C) 2004, 2005 Peter Johansson
5  Copyright (C) 2006, 2007 Jari Häkkinen, Peter Johansson
6  Copyright (C) 2008, 2009 Peter Johansson
7
8  This file is part of the yat library, http://dev.thep.lu.se/yat
9
10  The yat library is free software; you can redistribute it and/or
11  modify it under the terms of the GNU General Public License as
12  published by the Free Software Foundation; either version 3 of the
13  License, or (at your option) any later version.
14
15  The yat library is distributed in the hope that it will be useful,
16  but WITHOUT ANY WARRANTY; without even the implied warranty of
17  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18  General Public License for more details.
19
20  You should have received a copy of the GNU General Public License
21  along with yat. If not, see <http://www.gnu.org/licenses/>.
22*/
23
24#include "PearsonCorrelation.h"
25#include "utility.h"
26
27namespace theplu {
28namespace yat {
29namespace statistics { 
30
31  PearsonCorrelation::PearsonCorrelation(void) 
32  {
33  }
34
35
36  PearsonCorrelation::~PearsonCorrelation(void)
37  {
38  }
39
40
41  void PearsonCorrelation::add(double value, bool target, double weight)
42  {
43    ap_.add(value, target ? 1.0 : -1.0, weight, 1.0);
44  }
45
46
47  double PearsonCorrelation::score(void) const
48  {
49    return ap_.correlation();
50  }
51
52
53  double PearsonCorrelation::p_value_one_sided() const
54  {
55    return pearson_p_value(ap_.correlation(), 
56                           static_cast<unsigned int>(ap_.n())); 
57  }
58
59}}} // of namespace statistics, yat, and theplu
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