I have a vaiable named NAM having value : 1,2,3,4,5,6,7,8,9.  I want to
make an indicator variable that will take value 1 if NAM=7 or NAM=8 or
NAM=9. How can I do that?
I usually do: Var001<- ifelse(NAM==7,1,0) for the simplest case.

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