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#ifndef _theplu_yat_classifier_bootstrap_sampler_ |
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#define _theplu_yat_classifier_bootstrap_sampler_ |
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|
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// $Id$ |
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|
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/* |
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Copyright (C) 2007 Peter Johansson |
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Copyright (C) 2008 Jari Häkkinen, Peter Johansson |
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|
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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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|
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#include "Sampler.h" |
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|
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namespace theplu { |
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namespace yat { |
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namespace classifier { |
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|
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class Target; |
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|
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/** |
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@brief Class creating trainingset and validationset using bootstrapping. |
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|
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This is done in a balanced way, meaning the proportions between |
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the classes in the trainingset is equal to the proportions in the |
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whole dataset. For each class \f$ N_i \f$ samples are drawn with |
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replacement, where \f$ N_i \f$ is number of samples in class i. |
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*/ |
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class BootstrapSampler : public Sampler |
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{ |
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|
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public: |
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/// |
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/// @brief Constructor |
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/// |
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/// @a target targets. |
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/// @a N total number of partitions. |
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/// |
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BootstrapSampler(const Target& target, const size_t N); |
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|
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/// |
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/// Destructor |
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/// |
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virtual ~BootstrapSampler(); |
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|
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private: |
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void build(const Target& target, size_t N); |
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}; |
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|
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}}} // of namespace classifier, yat, and theplu |
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#endif |