Hi Marcelo, see TH1::ProfileX,Y http://root.cern.ch/root/html/TH1.html#TH1:ProfileX http://root.cern.ch/root/html/TH1.html#TH1:ProfileY Rene Brun Marcelo G. Munhoz wrote: > > Hi, > > How do I plot the RMS of Y slices from a 2D histogram using > TProfile? From the description of TProfile in the web, it seems > possible, since it says "Profile histograms are used to display the mean > value of Y and its RMS for each bin in X." > > Thanks, > > Marcelo.
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