source: trunk/src/WeNNI.h @ 246

Last change on this file since 246 was 246, checked in by Peter, 17 years ago

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1// $Id: WeNNI.h 246 2005-02-23 19:17:31Z peter $
2
3#ifndef _theplu_cpptools_wenni_
4#define _theplu_cpptools_wenni_
5
6#include "NNI.h"
7
8#include <iostream>
9
10#include "matrix.h"
11
12namespace theplu {
13namespace cpptools {
14
15  using namespace std;
16
17  ///
18  /// WeNNI is a continuous weights generalization of the (binary
19  /// weights) kNNI algorithm presented by Troyanskaya et al. A
20  /// reference to this paper is found in the NNI document referred to
21  /// in the NNI class documentation. The NNI document also describes
22  /// WeNNI in depth.
23  ///
24  /// @see NNI and kNNI
25  ///
26  class WeNNI : public NNI
27  {
28  public:
29    ///
30    /// Constructor
31    ///
32    WeNNI(const gslapi::matrix& matrix,const gslapi::matrix& weight,
33          const u_int neighbours);
34
35    ///
36    /// Perform WeNNI on data in \a matrix with continuous uncertainty
37    /// weights in \a weight using \a neighbours for the new impute
38    /// value.
39    ///
40    u_int estimate(void);
41
42    ///
43    /// @return A const reference to imputed_data_raw.
44    ///
45    const gslapi::matrix& imputed_data_raw(void) const 
46    { return imputed_data_raw_; }
47
48
49
50  private:
51
52    gslapi::matrix imputed_data_raw_;
53  };
54
55}} // of namespace cpptools and namespace theplu
56
57#endif
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