14 auto c1 =
new TCanvas(
"c1",
"fit residual simple");
15 gPad->SetFrameFillStyle(0);
16 auto h1 =
new TH1D(
"h1",
"h1", 50, -5, 5);
26 rp1->SetGraphDrawOpt(
"L");
27 rp1->SetSeparationMargin(0.0);
29 rp1->GetLowerRefGraph()->SetMinimum(-2);
30 rp1->GetLowerRefGraph()->SetMaximum(2);
R__EXTERN TStyle * gStyle
virtual void FillRandom(const char *fname, Int_t ntimes=5000)
Fill histogram following distribution in function fname.
Provides an indirection to the TFitResult class and with a semantics identical to a TFitResult pointe...
virtual void Sumw2(Bool_t flag=kTRUE)
Create structure to store sum of squares of weights.
void SetOptStat(Int_t stat=1)
The type of information printed in the histogram statistics box can be selected via the parameter mod...
THist< 1, double, THistStatContent, THistStatUncertainty > TH1D
Class for displaying ratios, differences and fit residuals.
virtual void SetTitle(const char *title="")
Set the title of the TNamed.
virtual TFitResultPtr Fit(const char *formula, Option_t *option="", Option_t *goption="", Double_t xmin=0, Double_t xmax=0)
Fit histogram with function fname.