Save your ESS email as an environment variable
Details
You should only run set_email()
once and every import_
and download_
function
should work fine. Make sure your email is registered at
http://www.europeansocialsurvey.org/ before setting the email.
Examples
if (FALSE) { # \dontrun{
set_email("my_registered@email.com")
import_rounds(1)
} # }