Re: TH1 questions/problems

Rene Brun wrote:
> Tom Roberts wrote:

>> a) The errorbars are wrong.
> I am afraid that you are wrong ::)

Ok, Thanks. I forgot to include the effect of the variance of the weights, and adding it in quadrature I get the same expression as is documented for when Sumw2() is called. Putting that call in makes the errorbars behave as I expected. Thanks.

Tom Roberts Received on Mon Jul 16 2007 - 03:24:53 CEST