27 using namespace RooFit ;
32 void rf510_wsnamedsets()
63 new TCanvas(
"rf510_wsnamedsets",
"rf503_wsnamedsets",600,600) ;
88 RooRealVar sigma1(
"sigma1",
"width of gaussians",0.5) ;
89 RooRealVar sigma2(
"sigma2",
"width of gaussians",1) ;
100 RooRealVar sig1frac(
"sig1frac",
"fraction of component 1 in signal",0.8,0.,1.) ;
104 RooRealVar bkgfrac(
"bkgfrac",
"fraction of background",0.5,0.,1.) ;
152 bkgfrac.setConstant(
kTRUE) ;
153 bkgfrac.removeError() ;
virtual void SetTitleOffset(Float_t offset=1)
Set distance between the axis and the axis title Offset is a correction factor with respect to the "s...
Bool_t saveSnapshot(const char *name, const char *paramNames)
Save snapshot of values and attributes (including "Constant") of parameters 'params' If importValue...
RooCmdArg LineColor(Color_t color)
RooCmdArg PrintLevel(Int_t code)
friend class RooWorkspace
RooAbsArg * first() const
RooAbsPdf * pdf(const char *name) const
Retrieve p.d.f (RooAbsPdf) with given name. A null pointer is returned if not found.
RooCmdArg LineStyle(Style_t style)
virtual 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
Plot dataset on specified frame.
RooArgSet * getParameters(const RooAbsData *data, Bool_t stripDisconnected=kTRUE) const
Create a list of leaf nodes in the arg tree starting with ourself as top node that don't match any of...
RooRealVar represents a fundamental (non-derived) real valued object.
virtual 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
Plot (project) PDF on specified frame.
Bool_t defineSet(const char *name, const RooArgSet &aset, Bool_t importMissing=kFALSE)
Define a named RooArgSet with given constituents.
Bool_t loadSnapshot(const char *name)
Load the values and attributes of the parameters in the snapshot saved with the given name...
RooDataSet is a container class to hold unbinned data.
A RooPlot is a plot frame and a container for graphics objects within that frame. ...
RooAbsPdf is the abstract interface for all probability density functions The class provides hybrid a...
Bool_t import(const RooAbsArg &arg, const RooCmdArg &arg1=RooCmdArg(), const RooCmdArg &arg2=RooCmdArg(), const RooCmdArg &arg3=RooCmdArg(), const RooCmdArg &arg4=RooCmdArg(), const RooCmdArg &arg5=RooCmdArg(), const RooCmdArg &arg6=RooCmdArg(), const RooCmdArg &arg7=RooCmdArg(), const RooCmdArg &arg8=RooCmdArg(), const RooCmdArg &arg9=RooCmdArg())
Import a RooAbsArg object, e.g.
void Print(Option_t *opts=0) const
Print contents of the workspace.
RooDataSet * generate(const RooArgSet &whatVars, Int_t nEvents, const RooCmdArg &arg1, const RooCmdArg &arg2=RooCmdArg::none(), const RooCmdArg &arg3=RooCmdArg::none(), const RooCmdArg &arg4=RooCmdArg::none(), const RooCmdArg &arg5=RooCmdArg::none())
Generate a new dataset containing the specified variables with events sampled from our distribution...
const RooArgSet * set(const char *name)
Return pointer to previously defined named set with given nmame If no such set is found a null pointe...
virtual RooFitResult * fitTo(RooAbsData &data, 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())
Fit PDF to given dataset.
Chebychev polynomial p.d.f.
RooAbsMoment * mean(RooRealVar &obs)
The RooWorkspace is a persistable container for RooFit projects.
virtual void Draw(Option_t *options=0)
Draw this plot and all of the elements it contains.