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MulticlassAccuracy.h
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1 /*
2  * This program is free software; you can redistribute it and/or modify
3  * it under the terms of the GNU General Public License as published by
4  * the Free Software Foundation; either version 3 of the License, or
5  * (at your option) any later version.
6  *
7  * Written (W) 2011 Sergey Lisitsyn
8  * Copyright (C) 2011 Berlin Institute of Technology and Max-Planck-Society
9  */
10 
11 #ifndef MULTICLASSACCURACY_H_
12 #define MULTICLASSACCURACY_H_
13 
14 #include <shogun/lib/config.h>
15 
17 #include <shogun/labels/Labels.h>
18 
19 namespace shogun
20 {
21 
22 class CLabels;
23 
37 {
38 public:
42 
44  CMulticlassAccuracy(bool ignore_rejects) :
45  CEvaluation(), m_ignore_rejects(ignore_rejects), m_rejects_num(0) {};
46 
48  virtual ~CMulticlassAccuracy() {};
49 
55  virtual float64_t evaluate(CLabels* predicted, CLabels* ground_truth);
56 
62  static SGMatrix<int32_t> get_confusion_matrix(CLabels* predicted, CLabels* ground_truth);
63 
65  {
66  return ED_MAXIMIZE;
67  }
68 
70  int32_t get_rejects_num() const
71  {
72  return m_rejects_num;
73  }
74 
76  virtual const char* get_name() const { return "MulticlassAccuracy"; }
77 
78 protected:
79 
82 
84  int32_t m_rejects_num;
85 };
86 
87 }
88 
89 #endif /* MULTICLASSACCURACY_H_ */

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