Saturday, February 18, 2006

Re: st: Poisson and post estimation analysis

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

------------------------------------------- Richard Williams, Notre Dame Dept of Sociology OFFICE: (574)631-6668, (574)631-6463 FAX: (574)288-4373 HOME: (574)289-5227 EMAIL: Richard.A.Williams.5@ND.Edu WWW (personal): http://www.nd.edu/~rwilliam WWW (department): http://www.nd.edu/~soc

* * 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/


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