Dear All:
I am working on a panel dataset. Couple of variables varies overtime
and across panels, others only vary across panels. Got some additonal
data for time & panel varying variables, for new time periods. I would
like append the new observations to the panel and then within each
panel ensure the records for panel only variables are applied to them
(i.e. no blanks).
example:
panelid timevar dep indep1 indep2 indep3(dummy)
1 1/1/2000 321 899 12 1
1 2/1/2000 882 980 34 1
add=> 1 3/1/2000 698 898 87 (here I
want the above value to apply instead of a blank)
2 1/1/2000 338 768 90
thanks,
Max
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