Hi all, I don't understand what is happening when using SetBinError on a TProfile . au->fHxbja1d is a TProfile, and I was expecting SetBinError to set the error for the bin, but it does something different : root [12] au->fHxbja1d->GetBinError(1) (const Stat_t)6.10376002362651021e-04 root [13] au->fHxbja1d->SetBinError(1,0.1) root [14] au->fHxbja1d->GetBinError(1) (const Stat_t)1.21475547561875668e-04 Could somebody explain ? I'm using /afs/cern.ch/sw/root/v3.05.07/rh73_gcc2952/root/ thank you ! Colin
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