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From | "Anat (Manes) Tchetchik" <anatmanes@gmail.com> |
To | statalist@hsphsun2.harvard.edu |
Subject | Re: st: Ologit question |
Date | Wed, 31 Oct 2012 21:40:37 +0200 |
Thanks Jay, I really appreciate your help Anat On Wed, Oct 31, 2012 at 8:47 PM, JVerkuilen (Gmail) <jvverkuilen@gmail.com> wrote: > On Wed, Oct 31, 2012 at 1:44 PM, Anat (Manes) Tchetchik > <anatmanes@gmail.com> wrote: >> >> Thanks, I ran the Brant test of parallel regression assumption and it >> turned out insignif. (p>chi2=0.877) does it supprt the use of ologit? > > Not if asymptotics themselves don't apply, though it's hard to say > here. The real problem is that you have a lot of IVs for your sample > size. > > > >> Also- what is the main difference between the ologit and rologit? The >> data I have actually refer to 3 groups of 50 observations each >> (cardiology, oncology and orthopedic) I currently used dummy vars. to >> control for this, maybe the ranked ordered logit is more appropriate? > > -rologit- is for responses that are ranked. It fits the Plackett-Luce > model. This is used when a respondent has multiple objects and ranks > them, and would thereby be giving multiple responses. So if each > respondent were to be asked "what medical speciality do you intend to > study for? rank order them" then yes -rologit- is more applicable. > > Jay > * > * For searches and help try: > * http://www.stata.com/help.cgi?search > * http://www.stata.com/support/faqs/resources/statalist-faq/ > * http://www.ats.ucla.edu/stat/stata/ -- Anat Tchetchik, PhD Department of Hotel and Tourism Management Guilford Glazer Faculty of Business and Management Ben-Gurion University of the Negev P.O.Box: 653 Beer-Sheva, Israel, 84105 E-mail: anat@som.bgu.ac.il Phone 972-(0)8-6479735 Fax: 972-(0)8-6472920 Web: http://cmsprod.bgu.ac.il/Eng/som/hotelmanage/Staff/Academic/ChechikA.htm * * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/faqs/resources/statalist-faq/ * http://www.ats.ucla.edu/stat/stata/