One guess: something you think is numeric is
really string. -describe- and if necessary
-destring-.
Nick
[email protected]
valerie flaherman
> I am trying to do a poisson regression with an offset
> for the log of
> the population size. Stata will do the command without an
> offset, but when
> I put in the offset it gives me an error message saying "no
> observations."
> The same happenned when I tried to use exposure. My
> colleagues and I are not
> sure what to do next--does anyone have advice? Thanks so much.
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