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Histogram.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) 1999-2009 Soeren Sonnenburg
8  * Copyright (C) 1999-2009 Fraunhofer Institute FIRST and Max-Planck-Society
9  */
10 
11 #ifndef _HISTOGRAM_H___
12 #define _HISTOGRAM_H___
13 
16 
17 namespace shogun
18 {
19  template <class ST> class CStringFeatures;
20 
26 class CHistogram : public CDistribution
27 {
28  public:
30  CHistogram();
31 
37  virtual ~CHistogram();
38 
47  virtual bool train(CFeatures* data=NULL);
48 
53  virtual inline int32_t get_num_model_parameters() { return (1<<16); }
54 
60  virtual float64_t get_log_model_parameter(int32_t num_param);
61 
69  int32_t num_param, int32_t num_example);
70 
76  virtual float64_t get_log_likelihood_example(int32_t num_example);
77 
82  virtual bool set_histogram(const SGVector<float64_t> histogram);
83 
90 
92  inline virtual const char* get_name() const { return "Histogram"; }
93 
94  protected:
97 };
98 }
99 #endif

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