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Re: AW: st: AW: ordinal logistic regression diagnostic


From   Richard Williams <Williams.NDA@comcast.net>
To   statalist@hsphsun2.harvard.edu
Subject   Re: AW: st: AW: ordinal logistic regression diagnostic
Date   Mon, 26 Apr 2010 13:22:09 -0500

At 09:52 AM 4/26/2010, Martin Weiss wrote:
Which version of -fistat- do you use? Mine is

. which fitstat
c:\ado\plus\f\fitstat.ado
*! version 1.8.1 2007-09-18

fitstat often causes confusion because there are multiple versions of it floating around, and (unlike most programs) the version at SSC is NOT the most current. Most people will want to do

findit spost9

which contains the most up to date version of fitstat. It also contains the brant command, which seems to be about as good a way as any for testing the assumptions of the ordered logit/ proportional odds model. Other options include the omodel and gologit2 commands, both available from SSC. gologit2 offers a possible way of dealing with violations of assumptions, although other options are out there, e.g. use a different kind of ordinal model or, if the violations are widespread enough, just use mlogit.


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Richard Williams, Notre Dame Dept of Sociology
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