Dear Sirs,
I am just starting with R and I think it is a great system. Now, I want to
import Stata datasets (.dta) with read.dta, but receive errormessages like:

Error in grep("^(http|ftp|https)://", file) : object "Rklein" not found

Error in read.dta("Rklein") :
  unable to open file: 'No such file or directory'
this happens when I use ""

What is the problem and how can I solve it?

Best regards,

Rob Bakker, Amsterdam

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