Hi, I'm dealing with data that has been sent to me as a ROOT tree in 2 channels, so I can plot histograms using the cuts mytree->Draw("mean","readoutType==1") or mytree->Draw("mean","readoutType==2"). My problem is that I want to plot the mean of readoutType 1 against that of readoutType 2. That means that I need a different cut on the y-axis to that on the x-axis. I've asked around, but no-one seems to know how to do it. Is it possible? Many thanks, Phil -- Philip Symes, MINOS Project, Sussex University & Soudan Underground Mine, MN.
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