Hi,
When I tried to append two datasets, I receive an error message,
"varlist not allowed". (Please see below for the stata screen.)
What does this mean?
Thank you so much.
*************** Stata Screen
*****************************************************
use "Baseline\NKdta\merge1_v.dta"
append "Followup\NKdta\merge2_v.dta"
varlist not allowed
r(101);
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