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Re: st: Comparing multinomial models in survey data

From   Richard Williams <>
Subject   Re: st: Comparing multinomial models in survey data
Date   Thu, 16 Sep 2010 18:48:04 -0500

At 05:15 PM 9/16/2010, Polis, Chelsea B. wrote:
Dear Statalist,

I am doing multinomial regression using data that has been svyset. Have I correctly interpreted Hosmer and Lemeshow's "Applied Logistic Regression" (p 219-20) in understanding that a legitimate approach is to ignore the survey design when comparing models (i.e., when using fitstat in SPost) by running the models without the svy command, use the commands such as fitstat to aid in selection of a final model, and then run the final model with the svy command to obtain more accurate standard

I suspect that nothing too horrible will happen if you do that, but it is hard to say. If the models are nested though, you can just use the test command, e.g.

webuse nhanes2f
svy: mlogit health female black rural age
test rural age

Richard Williams, Notre Dame Dept of Sociology
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