SHOGUN  5.0.0
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Macros Modules
MulticlassAccuracy.h
Go to the documentation of this file.
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_ */
virtual const char * get_name() const
CMulticlassAccuracy(bool ignore_rejects)
virtual float64_t evaluate(CLabels *predicted, CLabels *ground_truth)
The class Labels models labels, i.e. class assignments of objects.
Definition: Labels.h:43
The class MulticlassAccuracy used to compute accuracy of multiclass classification.
static SGMatrix< int32_t > get_confusion_matrix(CLabels *predicted, CLabels *ground_truth)
EEvaluationDirection
Definition: Evaluation.h:29
double float64_t
Definition: common.h:50
all of classes and functions are contained in the shogun namespace
Definition: class_list.h:18
EEvaluationDirection get_evaluation_direction() const
Class Evaluation, a base class for other classes used to evaluate labels, e.g. accuracy of classifica...
Definition: Evaluation.h:40

SHOGUN Machine Learning Toolbox - Documentation