Re: display of fit parameters

Rene Brun (Rene.Brun@cern.ch)
Fri, 07 Nov 1997 16:39:35 +0100


Wolfgang Korsch wrote:

> Hi,
>
> I use ROOT a lot producing 'Graphs' and fitting data.
> I use the following procedure:
>
> gr->TGraphErrors(...);
> gr->Draw();
>
> define fit function
>
> gr->Fit(...);
>
>
> My question: When I try to display the fit parameters using the
> pull down menu, it doesn't work. How can I display the fit parameters
> on my graph? Will the feature in the pull-down menu be implemented
> in one of the upcoming versions?
>
>

I already implemented this feature some time ago.To select the option to
display the fit parameters, use the "Option"
menu in the canvas toolbar and select the item "Fit Parameters"
This should work for histograms, graphs and grapherrors or any
class derived from these classes.

Rene Brun