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Re: Re: st: Multiple imputation is increasing the sample size


From   Hassan Chawdhury <russellchy@yahoo.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: Re: st: Multiple imputation is increasing the sample size
Date   Mon, 2 Aug 2010 18:09:37 -0700 (PDT)

Dear Wesley,
Thanks a lot. That will save months.
All the best
Hassan
--- On Mon, 8/2/10, Wesley D. Eddings, StataCorp <weddings@stata.com> wrote:

> From: Wesley D. Eddings, StataCorp <weddings@stata.com>
> Subject: Re: Re: st: Multiple imputation is increasing the sample size
> To: statalist@hsphsun2.harvard.edu
> Date: Monday, August 2, 2010, 11:15 AM
> Hassan Chawdhury <russellchy@yahoo.com>
> asked about saving multiply-imputed
> data:
> 
> > One more thing, is it possible to save the dataset
> after the imputation for
> > later use?
> 
> Yes.  Hassan may use the -save- command in the usual
> way, because his -mi- style
> is mlong.  The mlong, flong, and wide styles store the
> original data and the
> imputations in one .dta file, which can be saved in the
> same way as any other
> Stata dataset.
> 
> Only the flongsep -mi- style is different.  The
> flongsep style uses separate
> .dta files for each imputation and for the observed data,
> and only the observed
> data are kept in memory.  There are more details in
> -help mi styles- and in the
> "style" section of the documentation entry -[MI]
> Glossary-.
> 
> -- Wes             
>     
> weddings@stata.com 
>     
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