source: trunk/MagicSoft/Mars/mranforest/MRanTree.h@ 7424

Last change on this file since 7424 was 7424, checked in by tbretz, 19 years ago
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1#ifndef MARS_MRanTree
2#define MARS_MRanTree
3
4#ifndef MARS_MParContainer
5#include "MParContainer.h"
6#endif
7
8#ifndef ROOT_TArrayI
9#include <TArrayI.h>
10#endif
11
12#ifndef ROOT_TArrayF
13#include <TArrayF.h>
14#endif
15
16class TMatrix;
17class TMatrixRow;
18class TVector;
19class TRandom;
20
21class MRanTree : public MParContainer
22{
23private:
24 Bool_t fClassify;
25
26 Int_t fNdSize;
27 Int_t fNumTry;
28
29 Int_t fNumNodes;
30 Int_t fNumEndNodes;
31 Float_t fError;
32
33 TArrayI fBestVar;
34 TArrayI fTreeMap1;
35 TArrayI fTreeMap2;
36 TArrayF fBestSplit;
37 TArrayF fGiniDec;
38
39 int (MRanTree::*FindBestSplit)
40 (const TArrayI &, const TArrayI &, const TArrayF &, const TArrayI &,
41 Int_t, Int_t , TArrayF &, float &, float &, Int_t &, Float_t &,
42 Int_t &, const TArrayF &, const int); //!
43
44
45 int FindBestSplitGini(const TArrayI &datasort, const TArrayI &datarang,
46 const TArrayF &hadtrue, const TArrayI &idclass,
47 Int_t ndstart, Int_t ndend, TArrayF &tclasspop,
48 float &mean, float &square, Int_t &msplit,
49 Float_t &decsplit, Int_t &nbest, const TArrayF &winbag,
50 const int nclass);
51
52 int FindBestSplitSigma(const TArrayI &datasort, const TArrayI &datarang,
53 const TArrayF &hadtrue, const TArrayI &idclass,
54 Int_t ndstart, Int_t ndend, TArrayF &tclasspop,
55 float &mean, float &square, Int_t &msplit,
56 Float_t &decsplit, Int_t &nbest, const TArrayF &winbag,
57 const int nclass);
58
59 void MoveData(TArrayI &datasort, Int_t ndstart, Int_t ndend,
60 TArrayI &idmove, TArrayI &ncase, Int_t msplit,
61 Int_t nbest, Int_t &ndendl);
62
63 void BuildTree(TArrayI &datasort, const TArrayI &datarang, const TArrayF &hadtrue,
64 const TArrayI &idclass,TArrayI &bestsplit,TArrayI &bestsplitnext,
65 TArrayF &tclasspop, float &tmean, float &tsquare, const TArrayF &winbag,
66 Int_t ninbag, const int nclass);
67
68public:
69 MRanTree(const char *name=NULL, const char *title=NULL);
70 MRanTree(const MRanTree &tree);
71
72 void SetNdSize(Int_t n);
73 void SetNumTry(Int_t n);
74 void SetError(Float_t f) { fError = f; }
75
76 Int_t GetNdSize() const { return fNdSize; }
77 Int_t GetNumTry() const { return fNumTry; }
78 Int_t GetNumNodes() const { return fNumNodes; }
79 Int_t GetNumEndNodes() const { return fNumEndNodes; }
80 Int_t IsClassify() const { return fClassify; }
81 Float_t GetError() const { return fError; }
82
83 Int_t GetBestVar(Int_t i) const { return fBestVar.At(i); }
84 Int_t GetTreeMap1(Int_t i) const { return fTreeMap1.At(i); }
85 Int_t GetTreeMap2(Int_t i) const { return fTreeMap2.At(i); }
86 Int_t GetNodeClass(Int_t i) const { return fBestVar.At(i)+2; }
87 Int_t GetNodeStatus(Int_t i) const { return TMath::Sign(1,fBestVar.At(i));}
88 Float_t GetBestSplit(Int_t i)const { return fBestSplit.At(i); }
89
90 Float_t GetGiniDec(Int_t i) const { return fGiniDec.At(i); }
91
92 void SetClassify(Bool_t n){ fClassify=n; }
93
94 // functions used in tree growing process
95 void GrowTree(TMatrix *mat, const TArrayF &hadtrue, const TArrayI &idclass,
96 TArrayI &datasort, const TArrayI &datarang,TArrayF &tclasspop,
97 float &mean, float &square, TArrayI &jinbag, const TArrayF &winbag,
98 const int nclass);
99
100 Double_t TreeHad(const TVector &event);
101 Double_t TreeHad(const TMatrixRow &event);
102 Double_t TreeHad(const TMatrix &m, Int_t ievt);
103
104 Bool_t AsciiWrite(ostream &out) const;
105
106 ClassDef(MRanTree, 1) // Storage container for tree structure
107};
108
109#endif
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