46 RooRealVar sigmax(
"sigmax",
"width of gaussian", 0.5);
47 RooGaussian gaussx(
"gaussx",
"Gaussian in x with shifting mean in y",
x, fy, sigmax);
76 TH1 *hh = model.createHistogram(
"x,y");
79 TCanvas *
c =
new TCanvas(
"rf315_projectpdf",
"rf315_projectpdf", 800, 400);
82 gPad->SetLeftMargin(0.15);
86 gPad->SetLeftMargin(0.20);
Option_t Option_t TPoint TPoint const char GetTextMagnitude GetFillStyle GetLineColor GetLineWidth GetMarkerStyle GetTextAlign GetTextColor GetTextSize void data
RooAbsData is the common abstract base class for binned and unbinned datasets.
virtual RooFit::OwningPtr< RooFitResult > fitTo(RooAbsData &data, const RooLinkedList &cmdList={})
Fit PDF to given dataset.
virtual RooFit::OwningPtr< RooDataHist > generateBinned(const RooArgSet &whatVars, double nEvents, const RooCmdArg &arg1, const RooCmdArg &arg2=RooCmdArg::none(), const RooCmdArg &arg3=RooCmdArg::none(), const RooCmdArg &arg4=RooCmdArg::none(), const RooCmdArg &arg5=RooCmdArg::none()) const
As RooAbsPdf::generateBinned(const RooArgSet&, const RooCmdArg&,const RooCmdArg&, const RooCmdArg&,...
virtual RooAbsPdf * createProjection(const RooArgSet &iset)
Return a p.d.f that represent a projection of this p.d.f integrated over given observables.
RooPlot * plotOn(RooPlot *frame, const RooCmdArg &arg1=RooCmdArg::none(), const RooCmdArg &arg2=RooCmdArg::none(), const RooCmdArg &arg3=RooCmdArg::none(), const RooCmdArg &arg4=RooCmdArg::none(), const RooCmdArg &arg5=RooCmdArg::none(), const RooCmdArg &arg6=RooCmdArg::none(), const RooCmdArg &arg7=RooCmdArg::none(), const RooCmdArg &arg8=RooCmdArg::none(), const RooCmdArg &arg9=RooCmdArg::none(), const RooCmdArg &arg10=RooCmdArg::none()) const override
Helper calling plotOn(RooPlot*, RooLinkedList&) const.
static RooNumIntConfig * defaultIntegratorConfig()
Returns the default numeric integration configuration for all RooAbsReals.
RooArgSet is a container object that can hold multiple RooAbsArg objects.
void setEpsRel(double newEpsRel)
Set relative convergence criteria (convergence if std::abs(Err)/abs(Int)<newEpsRel)
void setEpsAbs(double newEpsAbs)
Set absolute convergence criteria (convergence if std::abs(Err)<newEpsAbs)
A RooPlot is a plot frame and a container for graphics objects within that frame.
static RooPlot * frame(const RooAbsRealLValue &var, double xmin, double xmax, Int_t nBins)
Create a new frame for a given variable in x.
void Draw(Option_t *options=nullptr) override
Draw this plot and all of the elements it contains.
Class RooPolyVar is a RooAbsReal implementing a polynomial in terms of a list of RooAbsReal coefficie...
RooProdPdf is an efficient implementation of a product of PDFs of the form.
RooRealVar represents a variable that can be changed from the outside.
virtual void SetTitleOffset(Float_t offset=1)
Set distance between the axis and the axis title.
virtual void SetLineColor(Color_t lcolor)
Set the line color.
TH1 is the base class of all histogram classes in ROOT.
void Draw(Option_t *option="") override
Draw this histogram with options.
RooCmdArg Conditional(const RooArgSet &pdfSet, const RooArgSet &depSet, bool depsAreCond=false)
RooConstVar & RooConst(double val)
RooCmdArg Verbose(bool flag=true)
The namespace RooFit contains mostly switches that change the behaviour of functions of PDFs (or othe...