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 * Copyright (C) 2011 Heiko Strathmann 00008 * Copyright (C) 2012 Sergey Lisitsyn 00009 */ 00010 00011 #ifndef RANDOMSEARCHMODELSELECTION_H_ 00012 #define RANDOMSEARCHMODELSELECTION_H_ 00013 00014 #include <shogun/modelselection/ModelSelection.h> 00015 #include <shogun/base/DynArray.h> 00016 00017 namespace shogun 00018 { 00019 00020 class CModelSelectionParameters; 00021 00026 class CRandomSearchModelSelection: public CModelSelection 00027 { 00028 public: 00030 CRandomSearchModelSelection(); 00031 00037 CRandomSearchModelSelection(CModelSelectionParameters* model_parameters, 00038 CMachineEvaluation* machine_eval, float64_t ratio); 00039 00041 virtual ~CRandomSearchModelSelection(); 00042 00044 float64_t get_ratio() const { return m_ratio; }; 00046 void set_ratio(float64_t ratio) { REQUIRE(ratio>0.0 && ratio<1.0, "Ratio should be in ]0,1[ range"); m_ratio = ratio; }; 00047 00054 virtual CParameterCombination* select_model(bool print_state=false); 00055 00057 virtual const char* get_name() const 00058 { 00059 return "RandomSearchModelSelection"; 00060 } 00061 00062 protected: 00064 float64_t m_ratio; 00065 00066 }; 00067 00068 } 00069 00070 #endif /* RANDOMSEARCHMODELSELECTION_H_ */
