There is no model specification in the help doc..Does anyone know where I can find answers?
----- Original Message -----
From: "Bin Sun" <[email protected]>
To: "Stata" <[email protected]>
Sent: Tuesday, January 11, 2005 10:44 PM
Subject: st: a question on Count data estimation in Stata
> Dear all,
> When using stata command "poisson", which model specification is what stata actually does, y = exp(xb + error) or y = exp(xb) + error ?
>
> When using "xtpoisson, fe", which specification is stata actually does,
> y = exp(xb + individual + error) or y = exp(xb) + individual + error or y = exp(xb + individual) + error ?
>
> When using "xtgee y x,fam(poisson) link(log) corr(ar1)", is the error term in the exponential or outside?
>
> thank you very much
>
>
> *
> * For searches and help try:
> * http://www.stata.com/support/faqs/res/findit.html
> * http://www.stata.com/support/statalist/faq
> * http://www.ats.ucla.edu/stat/stata/
*
* For searches and help try:
* http://www.stata.com/support/faqs/res/findit.html
* http://www.stata.com/support/statalist/faq
* http://www.ats.ucla.edu/stat/stata/