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

From: Remi Mommsen (remigius.mommsen@cern.ch)
Date: Tue Nov 18 2003 - 04:06:58 MET


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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Remigius K. Mommsen                 e-mail: mommsen@slac.stanford.edu
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