Bug fix: AliHLTComponent::ConfigureFromArgumentString
[u/mrichter/AliRoot.git] / STAT / TStatToolkit.h
CommitLineData
38a7a276 1#ifndef TSTATTOOLKIT_H
21f3a443 2#define TSTATTOOLKIT_H
3/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
5
3d7cc0b4 6//
7// some utilities which do net exist in the standard ROOT
8//
21f3a443 9
10#include "TObject.h"
11#include "TVectorD.h"
12#include "TMatrixD.h"
3d7cc0b4 13//#include "TGraph2D.h"
14//#include "TGraph.h"
21f3a443 15
16class TH1F;
3d7cc0b4 17class TH1;
21f3a443 18class TH3;
19class TString;
20class TTree;
3d7cc0b4 21class TGraph;
22class TGraph2D;
377a7d60 23class TCanvas;
24class TMultiGraph;
1a8f4649 25class TGraphErrors;
377a7d60 26
21f3a443 27class TStatToolkit : public TObject
28{
29 public:
30 TStatToolkit();
31 virtual ~TStatToolkit();
32 //
33 //
34 //
35 static void EvaluateUni(Int_t nvectors, Double_t *data, Double_t &mean, Double_t &sigma, Int_t hh);
36 static void EvaluateUniExternal(Int_t nvectors, Double_t *data, Double_t &mean, Double_t &sigma, Int_t hh, Float_t externalfactor=1);
37 static Int_t Freq(Int_t n, const Int_t *inlist, Int_t *outlist, Bool_t down);
38 //
39 // HISTOGRAMS TOOLS
40 //
3d7cc0b4 41 static void TruncatedMean(const TH1 * his, TVectorD *param, Float_t down=0, Float_t up=1.0, Bool_t verbose=kFALSE);
21f3a443 42 static void LTM(TH1F * his, TVectorD *param=0 , Float_t fraction=1, Bool_t verbose=kFALSE);
94a43b22 43 static Double_t FitGaus(TH1* his, TVectorD *param=0, TMatrixD *matrix=0, Float_t xmin=0, Float_t xmax=0, Bool_t verbose=kFALSE);
21f3a443 44 static Double_t FitGaus(Float_t *arr, Int_t nBins, Float_t xMin, Float_t xMax, TVectorD *param=0, TMatrixD *matrix=0, Bool_t verbose=kFALSE);
3d7cc0b4 45 static Float_t GetCOG(const Short_t *arr, Int_t nBins, Float_t xMin, Float_t xMax, Float_t *rms=0, Float_t *sum=0);
21f3a443 46
47 static TGraph2D * MakeStat2D(TH3 * his, Int_t delta0, Int_t delta1, Int_t type);
48 static TGraph * MakeStat1D(TH3 * his, Int_t delta1, Int_t type);
df0a2a0a 49 //
50 // Graph tools
51 //
377a7d60 52 static TGraph * MakeGraphSparse(TTree * tree, const char * expr="Entry", const char * cut="1", Int_t mstyle=25, Int_t mcolor=1, Float_t msize=-1, Float_t offset=0.0);
1a8f4649 53 static TGraphErrors * MakeGraphErrors(TTree * tree, const char * expr="Entry", const char * cut="1", Int_t mstyle=25, Int_t mcolor=1, Float_t msize=-1, Float_t offset=0.0);
54
21f3a443 55 //
56 // Fitting function
57 //
88b1c775 58 static TString* FitPlane(TTree * tree, const char* drawCommand, const char* formula, const char* cuts, Double_t & chi2, Int_t &npoints, TVectorD &fitParam, TMatrixD &covMatrix, Float_t frac=-1, Int_t start=0, Int_t stop=10000000, Bool_t fix0=kFALSE);
cb1d20de 59 static TString* FitPlaneFixed(TTree * tree, const char* drawCommand, const char* formula, const char* cuts, Double_t & chi2, Int_t &npoints, TVectorD &fitParam, TMatrixD &covMatrix, Float_t frac=-1, Int_t start=0, Int_t stop=10000000);
7c9cf6e4 60 //
61 //Linear fitter helper function
62 //
cb1d20de 63 static TString* FitPlaneConstrain(TTree * tree, const char* drawCommand, const char* formula, const char* cuts, Double_t & chi2, Int_t &npoints, TVectorD &fitParam, TMatrixD &covMatrix, Float_t frac=-1, Int_t start=0, Int_t stop=10000000, Double_t constrain=-1);
3d7cc0b4 64 static Int_t GetFitIndex(const TString fString, const TString subString);
65 static TString FilterFit(const TString &input, const TString filter, TVectorD &vec, TMatrixD &covar);
7c9cf6e4 66 static void Update1D(Double_t delta, Double_t sigma, Int_t s1, TMatrixD &param, TMatrixD &covar);
3d7cc0b4 67 static void Constrain1D(const TString &input, const TString filter, TVectorD &param, TMatrixD & covar, Double_t mean, Double_t sigma);
ae45c94d 68 static TString MakeFitString(const TString &input, const TVectorD &param, const TMatrixD & covar, Bool_t verbose=kFALSE);
377a7d60 69 //
70 // TTree function for the trneding
71 //
72 static Int_t MakeStatAlias(TTree * tree, const char * expr, const char * cut, const char * alias);
73 static Int_t SetStatusAlias(TTree * tree, const char * expr, const char * cut, const char * alias);
74 static TMultiGraph* MakeStatusMultGr(TTree * tree, const char * expr, const char * cut, const char * alias, Int_t igr);
75 static void AddStatusPad(TCanvas* c1, Float_t padratio, Float_t bottommargin);
76 static void DrawStatusGraphs(TObjArray* oaMultGr);
21f3a443 77 //
a21b6cf8 78 // TTree function for robust draw
79 //
80 static void DrawHistogram(TTree * tree, const char* drawCommand, const char* cuts = "1", const char* hname = "histo", const char* htitle = "histo", Int_t nsigma = 4, Float_t fraction = 0.75);
81 //
21f3a443 82 // TestFunctions:
83 //
84 static void TestGausFit(Int_t nhistos=5000);
7c9cf6e4 85
21f3a443 86 ClassDef(TStatToolkit,0) // Various mathematical tools for physics analysis - which are not included in ROOT TMath
87
88};
89#endif