Hi Christian, I do not see your effect. I obtain 3 totally different plots/results in your 3 cases. Please indicate which version of Root? see:http://root.cern.ch/root/roottalk/RoottalkRules.html Rene Brun On Sat, 21 Feb 2004, Christian Hansen wrote: > > Dear Rooters, > > I have a question about TGraphErrors. > > I'm not so good in statistics but I still think it is > strange that in my program (testFit.C, attached) the > fit results (see the stat-boxes in the attached .ps files) > do not change if I add errors in x but do change if I add > errors in y. > Is this statistical explainable or is there a bug in my program? > > With best regards > / Christian Hansen >
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