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st: question about ICE in STATA 9


From   Woolton Lee <finished07@gmail.com>
To   statalist <statalist@hsphsun2.harvard.edu>
Subject   st: question about ICE in STATA 9
Date   Wed, 19 Aug 2009 11:42:16 -0400

I am getting an error message after executing ICE in STATA 9.  I am
using the following syntax.

. ice     mdrgnc-mdrsvc mdsm_quit-mdr50 mdrk10000-mdrk24200000
>         mcrk390000-mcrk24180000 crgnc-csm_quit crk10000-crk1060000 crk180000-crk24200000
>         mdrk10000r-mdrk1060000r mdhyb10000-mdhyb1060000 mdrk70000na-mdrk1060000nr
>         mchyb240000m-mchyb350000m mcrk140000na-mcrk410000nr
>         crk10000r-crk1060000r crk180000r-crk190000r cahps_ind
>         crk70000na-crk1060000nr year
>         using "C:\Users\Woolton Lee\Documents\Research\Summer 09\Thesis Papers for Publication\HMO cost function paper\test",
>         cycles(80) replace cmd(regress) boot seed(4782) m(1)
>         trace("C:\Users\Woolton Lee\Documents\Research\Summer 09\Thesis Papers for Publication\HMO cost function paper\qualtest");

The error I am getting is the following,

Imputing postfile: variable mdrk120000_mean already exists
r(110);

What is confusing is that I don't have a variable mdrk120000_mean in
the dataset I am running the imputation on.  I realize this is part of
the algorithmn that ICE uses but I am not sure what I can do about it.

Thanks for your help,

Woolton
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