ChiSquare

From: <francesca.belloni_at_ts.infn.it>
Date: Sat, 12 Nov 2011 15:38:07 +0100


Hi all.
I made a simple routine to fit a histogram with a 2D Gaussian function and implemented the formula for calculating the ChiSquare. But when comparing this ChiSquare with the one given by ROOT, the value is totally different. The same holds for the number of degrees of freedom. Could anyone tell me what I am making wrong, please?

Thank you,
Francesca

P.S.
I am using ROOT 5.28.00g on Ubuntu 10.10

Received on Sat Nov 12 2011 - 15:38:14 CET

This archive was generated by hypermail 2.2.0 : Sat Nov 12 2011 - 23:50:02 CET