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// $Id$ |
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/* |
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Copyright (C) 2004, 2005 Peter Johansson |
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Copyright (C) 2006 Jari Häkkinen, Peter Johansson |
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Copyright (C) 2007 Peter Johansson |
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Copyright (C) 2008 Jari Häkkinen, Peter Johansson |
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Copyright (C) 2009, 2012, 2013 Peter Johansson |
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This file is part of the yat library, http://dev.thep.lu.se/yat |
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|
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The yat library is free software; you can redistribute it and/or |
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modify it under the terms of the GNU General Public License as |
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published by the Free Software Foundation; either version 3 of the |
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License, or (at your option) any later version. |
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|
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The yat library is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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General Public License for more details. |
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|
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You should have received a copy of the GNU General Public License |
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along with yat. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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#include <config.h> |
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#include "PearsonCorrelation.h" |
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#include "utility.h" |
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|
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namespace theplu { |
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namespace yat { |
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namespace statistics { |
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|
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PearsonCorrelation::PearsonCorrelation(void) |
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{ |
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} |
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|
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PearsonCorrelation::~PearsonCorrelation(void) |
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{ |
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} |
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|
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void PearsonCorrelation::add(double value, bool target, double weight) |
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{ |
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ap_.add(value, target ? 1.0 : -1.0, weight, 1.0); |
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} |
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|
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|
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double PearsonCorrelation::score(void) const |
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{ |
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return ap_.correlation(); |
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} |
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|
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|
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double PearsonCorrelation::p_right(void) const |
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{ |
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return pearson_p_value(ap_.correlation(), |
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static_cast<unsigned int>(ap_.n())); |
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} |
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|
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|
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double PearsonCorrelation::p_left(void) const |
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{ |
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return pearson_p_value(-ap_.correlation(), |
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static_cast<unsigned int>(ap_.n())); |
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} |
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|
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|
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double PearsonCorrelation::p_value_one_sided(void) const |
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{ |
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return p_right(); |
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} |
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|
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|
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double PearsonCorrelation::p_value(void) const |
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{ |
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double r = ap_.correlation(); |
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if (r>0) |
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return 2*p_right(); |
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return 2*p_left(); |
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} |
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|
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}}} // of namespace statistics, yat, and theplu |