28hsimplePath = os.path.join(str(ROOT.gROOT.GetTutorialDir().Data()),
"hsimple.root")
32df_cut = df.Filter(
"py > 0.f")\
33 .Define(
"px_plus_py",
"px + py")
37df_cached = df_cut.Cache()
39h = df_cached.Histo1D(
"px_plus_py")
ROOT's RDataFrame offers a high level interface for analyses of data stored in TTrees,...