My question is how I can know whether the fit status is "failed", "converged"
or "call limited"
without checking the value of parameters.
Rene Brun wrote:
> If you have an histogram hist fitted with the function func (below "gaus"),
> you can do the following:
>
> hist->Fit("gaus");
> TF1 *func = hist->GetFunction("gaus");
> func->GetChisquare();
> func->GetParameter(i);
> func->GetParError(i);
> func->GetNDF();
> etc... see TF1.h
>
> You can also access the status of the fitter via
> TVirtualFitter *fitter = TVirtualFitter(hist);
> fitter->PrintResults(3,1.);
> fitter->...
>
> Rene Brun
>
> Huaizhang Deng wrote:
> >
> > Hi:
> >
> > After I fit a histogram, is there any function or variable which tells
> > me the status of the fit?
> >
> > --
> > Huaizhang Deng
> > 516-344-5731
> > P. O. Box 426
> > Upton, NY 11973
--
Huaizhang Deng
516-344-5731
P. O. Box 426
Upton, NY 11973
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