Re: [ROOT] TH1::Fit display uncertainties? (v3-10-01)

From: Rene Brun (Rene.Brun@cern.ch)
Date: Tue Nov 18 2003 - 10:41:00 MET


Hi Nathan, Remi,

The problem is now understood and fixed in the CVS version.
Thanks for reporting this problem.

Rene Brun

Remi Mommsen wrote:
> 
> Hi Nathan,
> 
> That's really odd. When I use root 3.10/01 on Mac OS X 10.2.8 (compiled
> with gcc3.3) everything looks fine. However, if I run on Mac OS X
> 10.3.1 I see the same missing uncertainties as you do. I use on both
> machines the same executable.
> 
> I have no idea what the actual problem might be.
> 
> So long,
>                 Remi
> 
> On Monday, November 17, 2003, at 01:19  PM, Nathan Goldschmidt wrote:
> 
> >
> > Odd. I'm using Mac OS X v10.3.1. Perhaps this has something to do with
> > it.
> >
> > I've attached -my- version of the plot.
> >
> > -N
> >
> > <c1.gif>
> >
> >
> > On Nov 16, 2003, at 1:44 AM, Rene Brun wrote:
> >
> >> I cannot reproduce this problem. With your code, I obtain
> >> the picture in the attachement.
> >>
> >> Rene Brun
> >>
> >> On Sat, 15 Nov
> >> 2003, Nathan Goldschmidt wrote:
> >>
> >>>
> >>> Using ROOT v3-10-01, there seems to be a bug where the uncertainties
> >>> from TH1::Fit are not drawn in the stats box. Am I missing something?
> >>>
> >>> This behavior is not present in v3-05-07.
> >>>
> >>> See the macro below for an example.
> >>>
> >>> Thanks.
> >>>
> >>> -N
> >>>
> >>> {
> >>>    gStyle->SetOptFit(1111);
> >>>    TH1F* h = new TH1F("h","h",100,-5,5);
> >>>    h->FillRandom("gaus");
> >>>    h->Fit("gaus");
> >>> }
> >>>
> >>>
> 
> ---------------------------------------------------------------------
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>                                                Calvin (Bill Watterson)
> 
> *********************************************************************
> Remigius K. Mommsen                 e-mail: mommsen@slac.stanford.edu
> University of California, Irvine       URL:    http://cern.ch/mommsen
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