Re: [ROOT] TF1::Draw() with error bars

From: Rene Brun (Rene.Brun@cern.ch)
Date: Wed Nov 14 2001 - 21:15:54 MET


Hi Inkyu,

What is your algorithm to compute the errors on the function ?

Rene Brun

On Wed, 14 Nov 2001 icpark@mail.cern.ch wrote:

> Dear Rooters,
> 
> Could somebody let me know how to draw a function (pol1 for example) with
> error bar? 
> 
> Suppose we get a function "pol1" by fitting from a histogram. If I try
> with TF1::Draw("e"), "e" is just my guess to plot error bars, it gives a
> correct center line, but error bars are not the one from fit parameter.
> 
> Ciao,
> Inkyu
> 
> 



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