Hi Philip,
You can do:
mytree->Draw("mean*(readoutType==1):mean*(readoutType==2)")
Rene Brun
On Wed, 14 May
2003, Philip Symes wrote:
> 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
>
>
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