source: branches/0.4-stable/yat/regression/OneDimensionalWeighted.cc @ 1392

Last change on this file since 1392 was 1392, checked in by Peter, 13 years ago

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[729]1// $Id: OneDimensionalWeighted.cc 1392 2008-07-28 19:35:30Z peter $
2
3/*
[1275]4  Copyright (C) 2007 Jari Häkkinen, Peter Johansson
[729]5
[1392]6  This file is part of the yat library, http://dev.thep.lu.se/yat
[729]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 "OneDimensionalWeighted.h"
25
26namespace theplu {
27namespace yat {
28namespace regression {
29
30  OneDimensionalWeighted::OneDimensionalWeighted(void)
31    : chisq_(0)
32  {
33  }
34
35  OneDimensionalWeighted::~OneDimensionalWeighted(void)
36  {
37  }
38
39
40  double OneDimensionalWeighted::prediction_error2(const double x, 
41                                                   const double w) const 
42  { 
43    return s2(w)+standard_error2(x);
44  }
45
46
47  double OneDimensionalWeighted::r2(void) const 
48  { 
49    return 1-chisq_/ap_.y_averager().sum_xx_centered();
50  }
51
52}}} // of namespaces regression, yat, and theplu
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