Hello Friends,
my question should be very easy but forgive my
d..ness.
I am creating a panel data but the trouble now is that
there are variables that exist in the start of the
survey but does not exist in the following year:(or
sometimes new questions come up in the following year
but were not asked before): say the religion, they ask
it in 98 but not later.
How do I deal with that?
Thanks a lot.
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