Error introduction of tutorial df003_profiles.C

[cxwx1]

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_ROOT Version:6.20.04

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df003_profiles.C

auto hprof1d = d.Profile1D({"hprof1d", "Profile of pz versus px", 64, -4, 4});

should be

auto hprof1d = d.Profile1D({"hprof1d", "Profile of pz versus px", 64, -4, 4},"px",''pz");

or

auto hprof1d = d.Profile1D({"hprof1d", "Profile of pz versus px", 64, -4, 4},"px",''py");

[eguiraud]

Hi @cxwx1,
the tutorial makes use of a lesser known feature of RDF, “default columns”: the constructor invoked is ROOT::RDataFrame d(treeName, fileName, {"px", "py", "pz"}), which means that whenever RDF needs some columns it picks them from that list that is passed to the constructor, in the order they were passed.

Feel free to open a pull request on github in case you want to propose improvements to the tutorials.

Cheers,
Enrico

[cxwx1]

Thanks for reminding. @eguiraud