On Sun, 22 Feb 2004, Rene Brun wrote: Hi Rene! > I do not see your effect. I obtain 3 totally different plots/results > in your 3 cases. > Please indicate which version of Root? Sorry! I used an old version. I've now installed Pro version and it works as it should! Thanks alot for your help!!! Cheers /Chris > 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 > > > > -- / Christian Hansen =============================================== Box 535 Office: +46-(0)18-471 32 57 S-751 21 Uppsala Office: 82104 Sweden ----------------------------------------------- Mobile : +46-(0)708-887617 Home Page : http://welcome.to/Christian_Hansen http://www.cern.ch/Christian.Hansen
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