Histogram.h

Go to the documentation of this file.
00001 /*
00002  * This program is free software; you can redistribute it and/or modify
00003  * it under the terms of the GNU General Public License as published by
00004  * the Free Software Foundation; either version 3 of the License, or
00005  * (at your option) any later version.
00006  *
00007  * Written (W) 1999-2008 Soeren Sonnenburg
00008  * Copyright (C) 1999-2008 Fraunhofer Institute FIRST and Max-Planck-Society
00009  */
00010 
00011 #ifndef _HISTOGRAM_H___
00012 #define _HISTOGRAM_H___
00013 
00014 #include "features/StringFeatures.h"
00015 #include "distributions/Distribution.h"
00016 
00019 class CHistogram : public CDistribution
00020 {
00021     public:
00023         CHistogram();
00024 
00029         CHistogram(CStringFeatures<uint16_t>* f);
00030         ~CHistogram();
00031 
00036         virtual bool train();
00037 
00042         virtual inline int32_t get_num_model_parameters() { return (1<<16); }
00043 
00049         virtual float64_t get_log_model_parameter(int32_t num_param);
00050 
00057         virtual float64_t get_log_derivative(
00058             int32_t num_param, int32_t num_example);
00059 
00065         virtual float64_t get_log_likelihood_example(int32_t num_example);
00066 
00072         virtual bool set_histogram(float64_t* src, int32_t num);
00073 
00080         virtual void get_histogram(float64_t** dst, int32_t* num);
00081 
00082     protected:
00084         float64_t* hist;
00085 };
00086 #endif

SHOGUN Machine Learning Toolbox - Documentation