[ROOT] Re: Trouble in plotting ntuples with range greater than 1

From: Rene Brun (Rene.Brun@cern.ch)
Date: Wed Apr 17 2002 - 23:23:00 MEST


Please, send me a small data file + a script showing the problem.

Rene Brun

On Wed, 17 Apr 2002, Siva Subramania wrote:

> Dear Rene,
> I dont understand why this happens?  First of all, thanx a lot for 
> helping me in fitting gaussian to ntuples. Now everything is going fine, 
> but whenever I have a dataset with numbers greater than one and the 
> range of the data numbers(of 400 data points say) for example lies between 
> 2.3 to 2.6, and I plot an ntuple and fit, I am getting a mean value of 
> 0.5 something irrelevant to the data that I am feeding in. But when I 
> make the numbers to become less than 1,say 0.23 to .26 then I am getting 
> relevant results ie the mean is now between the range (0.244).  Is 
> that a bug of any of the version b'coz I am using one of the previous 
> versions of root.Probably 3.00. How can I get around it? Please reply. 
> Thanx,
> yours,
> Shiva.
> 



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