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Re: st: Multinomial Logistic - ordinal variables and Odds Ratios
From
Richard Williams <[email protected]>
To
[email protected], "[email protected]" <[email protected]>
Subject
Re: st: Multinomial Logistic - ordinal variables and Odds Ratios
Date
Thu, 14 Nov 2013 23:57:12 -0500
At 09:33 PM 11/14/2013, Imogen Jones wrote:
Hi Everybody
I was hoping somebody could shed some light on
the differences between using an ordinal and
nominal variable in multinomial logistic regression in Stata.
I understand the processes are different, but
I?m more concerned about the model fitting. My
interpretation of Hosmer and Lemeshow (2000) was
that there isn?t a reliable test to estimate model fit. Is this still correct?
Also, when using an ordinal variable as a
dependent variable in multinomial logistic, are
there any assumptions specific to this analysis
that need to be met or parameter estimates that may vary from binary logistic?
Another question ? Stata only seems to produce a
coefficient or relative risk ratio for
multinomial logistic. Is there a specific
reason why it won?t produce an odds ratio or is
it just not a function of Stata? I assumed it
was the former since Stata is so comprehensive
it probably wouldn?t leave something like that out.
See
http://www.stata.com/statalist/archive/2005-04/msg00678.html
for a discussion of the rrr vs or terminology.
-------------------------------------------
Richard Williams, Notre Dame Dept of Sociology
OFFICE: (574)631-6668, (574)631-6463
HOME: (574)289-5227
EMAIL: [email protected]
WWW: http://www.nd.edu/~rwilliam
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