source: trunk/yat/classifier/BootstrapSampler.h @ 1706

Last change on this file since 1706 was 1487, checked in by Jari Häkkinen, 13 years ago

Addresses #436. GPL license copy reference should also be updated.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Id
File size: 1.7 KB
Line 
1#ifndef _theplu_yat_classifier_bootstrap_sampler_
2#define _theplu_yat_classifier_bootstrap_sampler_
3
4// $Id: BootstrapSampler.h 1487 2008-09-10 08:41:36Z jari $
5
6/*
7  Copyright (C) 2007 Jari Häkkinen, Peter Johansson
8
9  This file is part of the yat library, http://dev.thep.lu.se/yat
10
11  The yat library is free software; you can redistribute it and/or
12  modify it under the terms of the GNU General Public License as
13  published by the Free Software Foundation; either version 3 of the
14  License, or (at your option) any later version.
15
16  The yat library is distributed in the hope that it will be useful,
17  but WITHOUT ANY WARRANTY; without even the implied warranty of
18  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19  General Public License for more details.
20
21  You should have received a copy of the GNU General Public License
22  along with yat. If not, see <http://www.gnu.org/licenses/>.
23*/
24
25#include "Sampler.h"
26
27namespace theplu {
28namespace yat {
29namespace classifier {
30
31  class Target;
32
33  /**
34     @brief Class creating trainingset and validationset using bootstrapping.
35
36     This is done in a balanced way, meaning the proportions between
37     the classes in the trainingset is equal to the proportions in the
38     whole dataset. For each class \f$ N_i \f$ samples are drawn with
39     replacement, where \f$ N_i \f$ is number of samples in class i.
40  */
41  class BootstrapSampler : public Sampler
42  {
43
44  public:
45    ///
46    /// @brief Constructor
47    ///
48    /// @a target targets.   
49    /// @a N total number of partitions.
50    ///
51    BootstrapSampler(const Target& target, const size_t N);
52
53    ///
54    /// Destructor
55    ///
56    virtual ~BootstrapSampler();
57
58  private:
59    void build(const Target& target, size_t N); 
60
61  };
62
63}}} // of namespace classifier, yat, and theplu
64
65#endif
66
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