Error in TDataFrame

I want to use TDataFrame but it say:
error: no member named ‘TDataFrame’ in namespace ‘ROOT::Experimental’
I wrote ROOT::Experimental::TDataFrame
why? How can i use TDataFrame?

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ROOT Version: 6.18.04
Platform: Not Provided
Compiler: Not Provided

Hi @Sima_Bashiri,
welcome to the ROOT forum!
Please take a look at ROOT v6.18’s reference guide, ROOT::Experimental::RDataFrame was renamed to ROOT::RDataFrame:

More information in this announcement post from 2018.



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