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RE: st: fit index for ordered logistic regression


From   "Julie Lamoureux" <drjuliel@comcast.net>
To   <statalist@hsphsun2.harvard.edu>
Subject   RE: st: fit index for ordered logistic regression
Date   Mon, 16 Dec 2013 15:12:53 -0500

Thank you all for the references.  It is difficult to keep up with all this
information as it comes out 

Julie Lamoureux

-----Original Message-----
From: owner-statalist@hsphsun2.harvard.edu
[mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Lacy,Michael
Sent: Monday, December 16, 2013 10:40 AM
To: statalist@hsphsun2.harvard.edu
Subject: Re: st: fit index for ordered logistic regression

>Subject: st: fit index for ordered logistic regression
>
>I am looking for "normed" goodness of fit indices for ordered logistic 
>regression.  We submitted a manuscript with the results of 2 OLR (on 
>two different unrelated outcomes) and the reviewer is asking how we 
>assessed model goodness of fit and its usefulness
...snip, snip.

I would not-so-humbly recommend my module -r2o-, available from ssc:
.ssc describe r2o
" r2o calculates the ordinal explained variation statistic (i.e., R2)
described by Lacy (2006), which is used to summarize the fit of a regression
model for an ordinal response...."

The measure is documented in:
Lacy, Michael G. 2006. "An Explained Variation Measure for Ordinal Response
Models With Comparisons to Other Ordinal R2 Measures." Sociological Methods
and Research. 34:469-520.

Regards,

Mike Lacy
Colorado State University
Fort Collins CO 80523-1784

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