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Re: st: St: Ordered Logit Question


From   "Martin Weiss" <martin.weiss1@gmx.de>
To   <statalist@hsphsun2.harvard.edu>
Subject   Re: st: St: Ordered Logit Question
Date   Tue, 12 May 2009 09:13:29 +0200

<>

A simple Google search shows a source: http://ideas.repec.org/c/boc/bocode/s453401.html

This is not at all recommend as a means to obtain such files, but if there is no other way to do it...

HTH
Martin
_______________
----- Original Message ----- From: "Jason Dean, Mr" <jason.dean@mail.mcgill.ca>
To: <statalist@hsphsun2.harvard.edu>
Sent: Tuesday, May 12, 2009 3:55 AM
Subject: RE: st: St: Ordered Logit Question


Hi Richard,

I am thinking of trying out your gologit2 program. Is it possible to get a zip file with the program. The Statistics Canada lab that I work in does not allow the computers to be connected to the internet. Thus, I cannot download gologit2 through Stata.

Thanks again for the help.

Jason


________________________________________
From: owner-statalist@hsphsun2.harvard.edu [owner-statalist@hsphsun2.harvard.edu] On Behalf Of Richard Williams [Richard.A.Williams.5@ND.edu]
Sent: Friday, May 08, 2009 6:19 PM
To: statalist@hsphsun2.harvard.edu; statalist@hsphsun2.harvard.edu
Subject: RE: st: St: Ordered Logit Question

At 04:00 PM 5/8/2009, Jason Dean, Mr wrote:
Hmm, I'll have to take a look at it again. But when I run separate
ologits and do predicted values they are much different then when I
combine the sample and include a immigrant dummy (and of course
interact all covariates). Maybe I made a typo in my code.

You are only allowing for index shift (all cutpoints differ by the
same amount) by doing so, so your pooled model is more constrained
than when you run separate ologits.  If you want a pooled model to
perfectly reproduce your separate ologit results, try something like

use "http://www.indiana.edu/~jslsoc/stata/spex_data/ordwarm2.dta";, clear
ologit warm  yr89 if male, nolog
ologit warm  yr89 if !male, nolog
gen maleyr89 = male * yr89
gologit2  warm yr89 male maleyr89, npl(male) lrf

The code I gave earlier would be handy if you thought the only
difference between groups was in their cut points.

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

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