| | 1 | #ifndef ALIITSSTATISTICS2_H |
| | 2 | #define ALIITSSTATISTICS2_H |
| | 3 | ////////////////////////////////////////////////////////////////////////// |
| | 4 | // Alice ITS first detector alignment program. // |
| | 5 | // // |
| | 6 | // version: 0.0.0 Draft. // |
| | 7 | // Date: April 18 1999 // |
| | 8 | // By: Bjorn S. Nilsen // |
| | 9 | // // |
| | 10 | ////////////////////////////////////////////////////////////////////////// |
| | 11 | #include "TObject.h" |
| | 12 | |
| | 13 | class AliITSstatistics2 : public TObject { |
| | 14 | // |
| | 15 | |
| | 16 | public: |
| | 17 | AliITSstatistics2(); |
| | 18 | AliITSstatistics2(Int_t order); |
| | 19 | AliITSstatistics2(AliITSstatistics2 &source); // copy constructor |
| | 20 | AliITSstatistics2& operator=(AliITSstatistics2 &source); // operator= |
| | 21 | virtual ~AliITSstatistics2(); |
| | 22 | void Reset(); |
| | 23 | void AddValue(Double_t y,Double_t x,Double_t w); |
| | 24 | Double_t GetXNth (Int_t order); |
| | 25 | Double_t GetYNth (Int_t order); |
| | 26 | Double_t GetYXNth(Int_t order); |
| | 27 | Double_t GetMeanY() { |
| | 28 | // return mean y |
| | 29 | return GetYNth(1); |
| | 30 | }; |
| | 31 | Double_t GetMeanX() { |
| | 32 | // return mean x |
| | 33 | return GetXNth(1); |
| | 34 | }; |
| | 35 | Double_t GetMeanYX() { |
| | 36 | // return mean Y*X |
| | 37 | return GetYXNth(1); |
| | 38 | }; |
| | 39 | Int_t GetN(){ |
| | 40 | // retrun the number of entries |
| | 41 | return fN; |
| | 42 | }; |
| | 43 | Int_t GetOrder(){ |
| | 44 | // return the maximum moment order |
| | 45 | return fOrder; |
| | 46 | }; |
| | 47 | Double_t GetXN (Int_t order){ |
| | 48 | // returns x^n |
| | 49 | return fX[order-1]; |
| | 50 | }; |
| | 51 | Double_t GetYN (Int_t order){ |
| | 52 | // returns y^n |
| | 53 | return fY[order-1]; |
| | 54 | }; |
| | 55 | Double_t GetYXN(Int_t order){ |
| | 56 | // returns (yx)^n |
| | 57 | return fYx[order-1]; |
| | 58 | }; |
| | 59 | Double_t GetWN (Int_t order){ |
| | 60 | // returns w^n (weight) |
| | 61 | return fW[order-1]; |
| | 62 | }; |
| | 63 | Double_t GetRMSY(); |
| | 64 | Double_t GetRMSX(); |
| | 65 | Double_t GetRMSYX(); |
| | 66 | Double_t GetErrorMeanY(); |
| | 67 | Double_t GetErrorMeanX(); |
| | 68 | Double_t GetErrorMeanYX(); |
| | 69 | Double_t GetErrorRMSY(); |
| | 70 | Double_t GetErrorRMSX(); |
| | 71 | Double_t GetErrorRMSYX(); |
| | 72 | Double_t FitToLine(Double_t &a,Double_t &b); |
| | 73 | |
| | 74 | private: |
| | 75 | Int_t fN; // number of enetries |
| | 76 | Int_t fOrder; // maximum moment of distributions (^n) |
| | 77 | Double_t *fX; //[fOrder] array of sums of x^n |
| | 78 | Double_t *fYx; //[fOrder] array of sums of (xy)^n |
| | 79 | Double_t *fY; //[fOrder] array of sums of y^n |
| | 80 | Double_t *fW; //[fOrder] array of sums of w^n (weights) |
| | 81 | |
| | 82 | |
| | 83 | ClassDef(AliITSstatistics2,1) //compute usueful statistics in 2D |
| | 84 | }; |
| | 85 | #endif |
git://git.uio.no / u / mrichter / AliRoot.git / blame_incremental