Hello, I'm using a column ntuple from PAW of the form : event ntrack var1(ntrack) var2(ntrack) var3(ntrack,2) ... The variable var3 is thus splitted in 2 variables. This ntuple has its equivalent in ROOT. In the browser if I click on var3, I see in the last line : var3[ntrack][2]. If there is 10 events and ntrack=3 for each event, if I do : t->Draw("var1"); I see 30 entries in my plot t->Draw("var3"); I see 60 entries in my plot How can I do the equivalent of nt/plo 2.var3(ntrack,1) and nt/plo 2.var3(ntrack,2), to see only the 30 entries corresponding to my splitted variables. Thanks, Sabine.
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