19 auto c1 =
new TCanvas(
"c1",
"fit residual simple");
20 auto h1 =
new TH1D(
"h1",
"h1", 50, -5, 5);
26 rp1->GetLowerRefYaxis()->SetTitle(
"ratio");
27 rp1->GetUpperRefYaxis()->SetTitle(
"entries");
R__EXTERN TStyle * gStyle
1-D histogram with a double per channel (see TH1 documentation)}
virtual void FillRandom(const char *fname, Int_t ntimes=5000, TRandom *rng=nullptr)
Fill histogram following distribution in function fname.
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.
virtual void SetTitle(const char *title="")
Set the title of the TNamed.
Class for displaying ratios, differences and fit residuals.
void SetOptStat(Int_t stat=1)
The type of information printed in the histogram statistics box can be selected via the parameter mod...