1 | #ifndef MARS_MRanForest
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2 | #define MARS_MRanForest
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3 |
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4 | #ifndef MARS_MParContainer
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5 | #include "MParContainer.h"
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6 | #endif
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7 |
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8 | #ifndef ROOT_TArrayI
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9 | #include <TArrayI.h>
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10 | #endif
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11 |
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12 | #ifndef ROOT_TArrayF
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13 | #include <TArrayF.h>
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14 | #endif
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15 |
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16 | #ifndef ROOT_TArrayD
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17 | #include <TArrayD.h>
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18 | #endif
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19 |
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20 | #ifndef ROOT_TObjArray
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21 | #include <TObjArray.h>
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22 | #endif
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23 |
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24 | #ifndef ROOT_TRandom
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25 | #include <TRandom.h>
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26 | #endif
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27 |
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28 | class MHMatrix;
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29 | class MRanTree;
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30 | class TVector;
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31 |
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32 | class MRanForest : public MParContainer
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33 | {
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34 | private:
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35 | Int_t fNumTrees;
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36 | Int_t fTreeNo;
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37 |
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38 | MRanTree *fRanTree;
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39 | TObjArray *fForest;
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40 |
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41 | // training data
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42 | MHMatrix *fGammas;
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43 | MHMatrix *fHadrons;
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44 |
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45 | Int_t fNumGam;
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46 | Int_t fNumHad;
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47 | Int_t fNumData;
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48 | Int_t fNumDim;
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49 |
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50 | // true and estimated hadronness
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51 | TArrayI fHadTrue;
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52 | TArrayF fHadEst;
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53 |
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54 | // data sorted according to parameters
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55 | TArrayI fDataSort;
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56 | TArrayI fDataRang;
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57 | TArrayI fClassPop;
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58 |
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59 | // weights
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60 | Bool_t fUsePriors;
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61 | TArrayF fPrior;
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62 | TArrayF fWeight;
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63 | TArrayI fNTimesOutBag;
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64 |
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65 | // estimates for classification error of growing forest
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66 | TArrayD fTreeHad;
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67 | Float_t fErr;
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68 |
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69 | protected:
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70 | // create and modify (->due to bagging) fDataSort
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71 | void CreateDataSort();
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72 | void ModifyDataSort(TArrayI &datsortinbag,Int_t ninbag,TArrayI &jinbag);
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73 |
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74 | public:
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75 | MRanForest(const char *name=NULL, const char *title=NULL);
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76 | ~MRanForest();
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77 |
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78 | // initialize forest
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79 | void SetPriors(Float_t prior_had, Float_t prior_gam);
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80 | void SetNumTrees(Int_t n);
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81 |
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82 | // tree growing
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83 | //void SetupForest();
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84 | Bool_t SetupGrow(MHMatrix *mhad,MHMatrix *mgam);
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85 | Bool_t GrowForest();
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86 | void SetCurTree(MRanTree *rantree) { fRanTree=rantree; }
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87 | Bool_t AddTree(MRanTree *rantree);
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88 |
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89 | // getter methods
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90 | TObjArray *GetForest() { return fForest; }
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91 | MRanTree *GetCurTree() { return fRanTree; }
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92 | Int_t GetNumTrees() const { return fNumTrees; }
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93 | Int_t GetNumData() const { return fNumData; }
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94 | Int_t GetNumDim() const { return fNumDim; }
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95 | Double_t GetTreeHad(Int_t i) const { return fTreeHad.At(i); }
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96 |
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97 | // use forest to calculate hadronness of event
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98 | Double_t CalcHadroness(const TVector &event);
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99 |
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100 | Bool_t AsciiWrite(ostream &out) const;
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101 |
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102 | ClassDef(MRanForest, 1) // Storage container for tree structure
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103 | };
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104 |
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105 | #endif
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