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Re: st: Testing for parallel slopes when working with survey commands
From
Gitit Kadar Satat <[email protected]>
To
[email protected], Richard Williams <[email protected]>
Subject
Re: st: Testing for parallel slopes when working with survey commands
Date
Mon, 16 Apr 2012 19:52:08 +0100
Dear Richard, thanks for you help!
Could you please advice if it is possible to use categorical
independent variables of 3 or more categories with gologit2 (e.g.: 3
levels of occupational statues), or is it only possible to use model
with binary or continuous predictors ?
Best wishes,
Gitit Kadar Satat
Quoting Richard Williams <[email protected]> on Mon, 16
Apr 2012 10:33:39 -0500:
At 08:40 AM 4/16/2012, Gitit Kadar Satat wrote:
I'm analysing ordinal survey data using the survey commands (in
particular - ologit). I've tried to apply the Brant test to check for
the "parallel slopes" assumption but stata retrieved an error message
which stated that Brant doesn't work on ologit models with weights.
Could anyone suggest a test for parallel slopes that can be used on
ologit models that uses survey data (that is; with survey commands)?
Many thanks in advance!
Gitit Kadar Satat
The -gologit2- program, available from SSC, can test for violations of
parallel lines when using survey commands. For more, see
http://www.nd.edu/~rwilliam/gologit2/index.html
Also see section 3.3 of
http://www.stata-journal.com/sjpdf.html?articlenum=st0097 . Note that
you use the -svy- option instead of the -svy- prefix.
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Richard Williams, Notre Dame Dept of Sociology
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EMAIL: [email protected]
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