Re: [ROOT] Graph versus Histogram fitting

From: Rene Brun (Rene.Brun@cern.ch)
Date: Fri Apr 05 2002 - 11:11:11 MEST 

Hi David,

Yes, you get different results because of different weights.
To get the same result, fit with the option "W" that forces equal weights
for all the points.

Rene Brun

David Gray wrote:
> 
> I tried to fit a simple exponential using TH1F, but when I use the same
> data in a Graph I get different fit values and errors. However according
> to the user guide the same fit class is called. Is this to do with
> weighting factors?
> 
>         Dave
> -----------------
> d.gray@dcu.ie

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