Dear All,
I have 5 years of data (1996-2000). I work with samples differ each year.
I try to create panel data out of this using all the samples in five year
period. So in a sense I have a panel with a different sample each year.
Since samples differ each year, the identifier become different each year
for all years. Thus you are not able to repeat an identifier for each
year.
My question is
how to form the "id" (identifier) variable in this situation. Because all
observations have different id every year which create problem. then xt
functions dont work.
HAPPY NEW YEAR!!!
Murat Karaoz
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