EIC code displayed by LXR |
|
|
|
|||
File indexing completed on 2025-01-18 10:11:10
0001 // @(#)root/tmva $Id$ 0002 // Author: Andreas Hoecker, Joerg Stelzer, Helge Voss, Kai Voss 0003 0004 /********************************************************************************** 0005 * Project: TMVA - a Root-integrated toolkit for multivariate data analysis * 0006 * Package: TMVA * 0007 * Class : SdivSqrtSplusB * 0008 * * 0009 * * 0010 * Description: Implementation of the SdivSqrtSplusB as separation criterion * 0011 * S/sqrt(S + B) * 0012 * * 0013 * Authors (alphabetical): * 0014 * Andreas Hoecker <Andreas.Hocker@cern.ch> - CERN, Switzerland * 0015 * Helge Voss <Helge.Voss@cern.ch> - MPI-K Heidelberg, Germany * 0016 * Kai Voss <Kai.Voss@cern.ch> - U. of Victoria, Canada * 0017 * * 0018 * Copyright (c) 2005: * 0019 * CERN, Switzerland * 0020 * U. of Victoria, Canada * 0021 * Heidelberg U., Germany * 0022 * * 0023 * Redistribution and use in source and binary forms, with or without * 0024 * modification, are permitted according to the terms listed in LICENSE * 0025 * (see tmva/doc/LICENSE) * 0026 **********************************************************************************/ 0027 0028 #ifndef ROOT_TMVA_SdivSqrtSplusB 0029 #define ROOT_TMVA_SdivSqrtSplusB 0030 0031 ////////////////////////////////////////////////////////////////////////// 0032 // // 0033 // SdivSqrtSplusB // 0034 // // 0035 // Implementation of the SdivSqrtSplusB as separation criterion // 0036 // Index = S/sqrt(S+B) (statistical significance) // 0037 // // 0038 ////////////////////////////////////////////////////////////////////////// 0039 0040 #include "TMVA/SeparationBase.h" 0041 0042 namespace TMVA { 0043 0044 class SdivSqrtSplusB : public SeparationBase { 0045 0046 public: 0047 0048 //constructor for the "statistical significance" index 0049 SdivSqrtSplusB(): SeparationBase() { fName = "StatSig"; } 0050 0051 // copy constructor 0052 SdivSqrtSplusB( const SdivSqrtSplusB& g): SeparationBase(g) {} 0053 0054 //destructor 0055 virtual ~SdivSqrtSplusB() {} 0056 0057 // Return the gain in separation of the original sample is split in two sub-samples 0058 // (N * Index_parent) - (N_left * Index_left) - (N_right * Index_right) 0059 virtual Double_t GetSeparationGain( const Double_t nSelS, const Double_t nSelB, 0060 const Double_t nTotS, const Double_t nTotB ); 0061 // return the Index (S/sqrt(S+B)) 0062 virtual Double_t GetSeparationIndex( const Double_t s, const Double_t b ); 0063 0064 protected: 0065 0066 ClassDef(SdivSqrtSplusB,0); // Implementation of the SdivSqrtSplusB as separation criterion 0067 }; 0068 0069 } // namespace TMVA 0070 0071 #endif 0072
| [ Source navigation ] | [ Diff markup ] | [ Identifier search ] | [ general search ] |
|
This page was automatically generated by the 2.3.7 LXR engine. The LXR team |
|