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st: Bootstrap with version control


From   Dmitriy Poznyak <Dmitriy.Poznyak@soc.kuleuven.be>
To   "statalist@hsphsun2.harvard.edu" <statalist@hsphsun2.harvard.edu>
Subject   st: Bootstrap with version control
Date   Thu, 14 Oct 2010 11:21:02 +0200

Hi all,

I am trying to fit an -mlogit- model based on survey data in version 11. Since some of my predictors are categorical and entered as dummies, Spost post-estimation doesn't seem to work with version 11, but runs smoothly under version control (v. 10.1). However, when I bootstrap the data, which I need for some reasons, I get an error in v. 10.1. The same model converges smoothly in v. 11.
My set-up is as follows:

1) bootstrap, reps(100) force : mlogit y x z... , cl(nis), [pweight=weight1] > this one runs smoothly but no prchange, prvalue, etc. can be obtained as I am using categorical predictors

2) version 10.1: bootstrap, reps(100) force : mlogit y x z... , cl(nis), [pweight=weight1] this one doesn't converge, although when bootstrap is opted out, prtab and prchange (not prvalue though) work just fine.

I couldn't find whether bootstrap works w/ version control but I can't see any reason why it shouldn't.

Thanks for your suggestions and help
Dmitriy

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