Hello!
I make unbinned fit in Roofit.
[code]RooRealVar t(“t”,“time”, 1, 50000);
RooRealVar tau(“tau”,“tau parameter”, 50, 1, 200);
RooGenericPdf genpdf(“genpdf”,“genpdf”,"( 1 / tau * exp( - t / tau ) )", RooArgSet(t, tau));
RooDataSet* data = genpdf.generate(t, 5000);
t.setRange(“Rfull”, 25, 1500);
genpdf.fitTo(*data, Range(“Rfull”),Save());
RooPlot* tframe = t.frame(Title(“Interpreted expression pdf”));
data->plotOn(tframe, Binning(10000));
genpdf.plotOn(tframe);
TCanvas* c = new TCanvas(“rf103_interprfuncs”,“rf103_interprfuncs”,800,800);
tframe->GetYaxis()->SetTitleOffset(1.4);
tframe->Draw();[/code]
How to export (save in file) fit curve (PDE vs t) and get erros of bins in order to save in file?
I want to use Origin to draw this hist.
Thanks in advance.
Vladislav.