Re: st: Poisson and post estimation analysis

[Richard Williams <Richard.A.Williams.5@ND.edu>]

At 04:06 PM 2/18/2006, you wrote:
> A couple of years ago I ran some poisson regressions on publication 
> and citation data and found some post-estimation commands that 
> enabled me define comparisons between groups. For example, based on 
> the use of certain procedures available under Stata, I was able to 
> observe that being a graduate of the two particular types of 
> graduate programs, compared to a third type, increased the expected 
> number of published articles by 132 percent and 110 percent 
> respectively, and the expected numbers of citations by 114 percent 
> and 96.5 percent respectively. Unfortunately, although I can recall 
> the procedures were available under Stata, perhaps as a .do file, I 
> cannot recall names, etc. Anyone know the procedures I am talking 
> about? Any help would be greatly appreciated. Thanks.
Perhaps you want Long & Freese's -spost- routines?  Do -findit 
spost-.  If you are using Stata 9 you want the spost9 files.  The 
latest edition of their very good book can be found at

http://www.stata.com/bookstore/regmodcdvs.html


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Richard Williams, Notre Dame Dept of Sociology
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