SHOGUN
v3.2.0
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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) 20013 Viktor Gal 00008 * Copyright (C) 2013 Viktor Gal 00009 */ 00010 00011 #ifndef __RESCALEFEATURES_H__ 00012 #define __RESCALEFEATURES_H__ 00013 00014 #include <shogun/preprocessor/DensePreprocessor.h> 00015 00016 namespace shogun 00017 { 00028 class CRescaleFeatures : public CDensePreprocessor<float64_t> 00029 { 00030 public: 00032 CRescaleFeatures(); 00033 00035 virtual ~CRescaleFeatures(); 00036 00042 virtual bool init(CFeatures* features); 00043 00047 virtual void cleanup(); 00048 00055 virtual SGMatrix<float64_t> apply_to_feature_matrix(CFeatures* features); 00056 00060 virtual SGVector<float64_t> apply_to_feature_vector(SGVector<float64_t> vector); 00061 00063 virtual const char* get_name() const { return "RescaleFeatures"; } 00064 00066 virtual EPreprocessorType get_type() const { return P_RESCALEFEATURES; } 00067 00068 private: 00069 void register_parameters(); 00070 00071 protected: 00073 SGVector<float64_t> m_min; 00075 SGVector<float64_t> m_range; 00077 bool m_initialized; 00078 }; 00079 } 00080 00081 #endif /* __RESCALEFEATURES_H__ */