Never mind, I figure it out. All I need to do is to
include the strata as dummies in the model.
. xi:poisson x i.stratum d1 d2
Thanks,
Ricardo.
--- Ricardo Ovaldia <[email protected]> wrote:
> Dear Stata users,
>
> Is there a way to fit a Poisson regression to
> stratified data?
>
> For example I have the following dataset:
>
> . cl x i1 i2 stratum
>
> x i1 i2 stratum
> 1. 27 0 1 1
> 2. 18 0 1 2
> 3. 12 1 0 2
> 4. 15 0 1 2
> 5. 14 1 0 2
> 6. 9 1 0 3
> 7. 8 1 0 3
> 8. 13 0 0 4
> 9. 11 0 1 4
> 10. 26 1 0 4
> 11. 3 1 0 5
> 12. 5 1 0 5
> 13. 10 0 0 5
> 14. 7 0 0 5
> 15. 1 0 0 6
>
> Where �x- is a count, d1 and d2 are dummies, and
> stratum is a stratification variable.
>
> I would like to fit
>
> . poisson x d1 d2 <-- stratified by �stratum-
>
> Any suggestions?
>
> Thank you in advance,
> Ricardo
>
>
> =====
> Ricardo Ovaldia, MS
> Statistician
> Oklahoma City, OK
>
> __________________________________
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=====
Ricardo Ovaldia, MS
Statistician
Oklahoma City, OK
__________________________________
Do you Yahoo!?
Yahoo! Search - Find what you�re looking for faster
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*
* For searches and help try:
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* http://www.stata.com/support/statalist/faq
* http://www.ats.ucla.edu/stat/stata/
