source: trunk/yat/utility/kNNI.h @ 1486

Last change on this file since 1486 was 1486, checked in by Jari Häkkinen, 13 years ago

Addresses #436.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 2.0 KB
RevLine 
[680]1#ifndef _theplu_yat_utility_knni_
2#define _theplu_yat_utility_knni_
[616]3
[145]4// $Id: kNNI.h 1486 2008-09-09 21:17:19Z jari $
5
[570]6/*
[831]7  Copyright (C) 2004 Jari Häkkinen
8  Copyright (C) 2005 Jari Häkkinen, Peter Johansson
9  Copyright (C) 2006 Jari Häkkinen
[1275]10  Copyright (C) 2007 Jari Häkkinen, Peter Johansson
11  Copyright (C) 2008 Peter Johansson
[570]12
[1437]13  This file is part of the yat library, http://dev.thep.lu.se/yat
[570]14
[675]15  The yat library is free software; you can redistribute it and/or
16  modify it under the terms of the GNU General Public License as
[1486]17  published by the Free Software Foundation; either version 3 of the
[675]18  License, or (at your option) any later version.
[570]19
[675]20  The yat library is distributed in the hope that it will be useful,
21  but WITHOUT ANY WARRANTY; without even the implied warranty of
22  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
[570]23  General Public License for more details.
24
25  You should have received a copy of the GNU General Public License
26  along with this program; if not, write to the Free Software
27  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
28  02111-1307, USA.
29*/
30
[680]31#include "NNI.h"
[145]32
33#include <iostream>
34#include <vector>
35
36namespace theplu {
[680]37namespace yat {
[301]38namespace utility {
[145]39
40  ///
[767]41  /// @brief kNNimpute
42  ///
[177]43  /// kNNI is the binary weight implementation of NNI. This follows
[178]44  /// the work done by Troyanskaya et al. cited in the NNI document
[177]45  /// referred to in the NNI class documentation.
[145]46  ///
[177]47  /// This is a special case of the WeNNI, but is maintained since it
48  /// is faster than the more general WeNNI.
49  ///
50  /// @see NNI and WeNNI
51  ///
[145]52  class kNNI : public NNI
53  {
54  public:
[228]55    ///
56    /// Constructor
57    ///
[1121]58    kNNI(const utility::Matrix& matrix,const utility::Matrix& weight,
[1271]59         const unsigned int neighbours);
[228]60
61    ///
[177]62    /// Perform kNNI on data in \a matrix with binary uncertainty
63    /// weights in \a weight using \a neighbours for the new impute
64    /// value.
[145]65    ///
[1271]66    unsigned int estimate(void);
[146]67
68  private:
[1271]69    std::vector<size_t> mv_rows_; // index to rows that have values to estimate
[145]70  };
71
[687]72}}} // of namespace utility, yat, and theplu
[145]73
74#endif
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