| 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 MARS_MRanTree
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| 9 | #include "MRanTree.h"
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| 10 | #endif
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| 11 |
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| 12 | #ifndef MARS_MDataArray
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| 13 | #include "MDataArray.h"
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| 14 | #endif
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| 15 |
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| 16 | #ifndef ROOT_TArrayI
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| 17 | #include <TArrayI.h>
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| 18 | #endif
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| 19 |
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| 20 | #ifndef ROOT_TArrayF
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| 21 | #include <TArrayF.h>
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| 22 | #endif
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| 23 |
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| 24 | #ifndef ROOT_TArrayD
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| 25 | #include <TArrayD.h>
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| 26 | #endif
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| 27 |
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| 28 | #ifndef ROOT_TObjArray
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| 29 | #include <TObjArray.h>
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| 30 | #endif
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| 31 |
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| 32 | #ifndef ROOT_TRandom
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| 33 | #include <TRandom.h>
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| 34 | #endif
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| 35 |
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| 36 | class MHMatrix;
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| 37 | class MRanTree;
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| 38 | class TVector;
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| 39 | class TMatrix;
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| 40 |
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| 41 | class MRanForest : public MParContainer
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| 42 | {
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| 43 | private:
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| 44 | Int_t fNumTrees;
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| 45 | Int_t fTreeNo; //!
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| 46 |
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| 47 | MRanTree *fRanTree; //!
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| 48 | TObjArray *fForest;
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| 49 |
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| 50 | // training data
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| 51 | MHMatrix *fGammas; //!
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| 52 | MHMatrix *fHadrons; //!
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| 53 |
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| 54 | // true and estimated hadronness
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| 55 | TArrayI fHadTrue; //!
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| 56 | TArrayF fHadEst; //!
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| 57 |
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| 58 | // data sorted according to parameters
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| 59 | TArrayI fDataSort; //!
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| 60 | TArrayI fDataRang; //!
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| 61 | TArrayI fClassPop; //!
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| 62 |
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| 63 | // weights
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| 64 | Bool_t fUsePriors; //!
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| 65 | TArrayF fPrior; //!
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| 66 | TArrayF fWeight; //!
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| 67 | TArrayI fNTimesOutBag;//!
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| 68 |
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| 69 | // estimates for classification error of growing forest
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| 70 | TArrayD fTreeHad; //
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| 71 |
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| 72 | Double_t fUserVal;
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| 73 |
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| 74 | void InitHadEst(Int_t from, Int_t to, const TMatrix &m, TArrayI &jinbag);
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| 75 |
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| 76 | protected:
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| 77 | // create and modify (->due to bagging) fDataSort
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| 78 | void CreateDataSort();
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| 79 | void ModifyDataSort(TArrayI &datsortinbag, Int_t ninbag, const TArrayI &jinbag);
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| 80 |
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| 81 | public:
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| 82 | MRanForest(const char *name=NULL, const char *title=NULL);
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| 83 | ~MRanForest();
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| 84 |
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| 85 | // initialize forest
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| 86 | void SetPriors(Float_t prior_had, Float_t prior_gam);
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| 87 | void SetNumTrees(Int_t n);
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| 88 |
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| 89 | // tree growing
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| 90 | //void SetupForest();
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| 91 | Bool_t SetupGrow(MHMatrix *mhad,MHMatrix *mgam);
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| 92 | Bool_t GrowForest();
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| 93 | void SetCurTree(MRanTree *rantree) { fRanTree=rantree; }
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| 94 | Bool_t AddTree(MRanTree *rantree);
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| 95 | void SetUserVal(Double_t d) { fUserVal = d; }
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| 96 |
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| 97 | // getter methods
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| 98 | TObjArray *GetForest() { return fForest; }
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| 99 | MRanTree *GetCurTree() { return fRanTree; }
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| 100 | MRanTree *GetTree(Int_t i) { return (MRanTree*)(fForest->At(i)); }
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| 101 | MDataArray *GetRules() { return ((MRanTree*)(fForest->At(0)))->GetRules(); }
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| 102 |
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| 103 | Int_t GetNumTrees() const { return fNumTrees; }
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| 104 | Int_t GetNumData() const;
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| 105 | Int_t GetNumDim() const;
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| 106 | Double_t GetTreeHad(Int_t i) const { return fTreeHad.At(i); }
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| 107 | Double_t GetUserVal() const { return fUserVal; }
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| 108 |
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| 109 | // use forest to calculate hadronness of event
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| 110 | Double_t CalcHadroness(const TVector &event);
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| 111 |
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| 112 | Bool_t AsciiWrite(ostream &out) const;
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| 113 |
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| 114 | ClassDef(MRanForest, 2) // Storage container for tree structure
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| 115 | };
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| 116 |
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| 117 | #endif
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