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Re: st: Obtaining population estimates for multiply imputed survey data


From   Steve Samuels <sjsamuels@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Obtaining population estimates for multiply imputed survey data
Date   Mon, 14 May 2012 08:36:26 -0400


Also,  -cmdok- was not an option in Stata 11. If it is not in Stata 11.1, Lauren
can -mi estimate- means and standard errors,then multiply these by an estimate
of population size N. If a good external estimate of N is available, I'd
recommend that. Also for many surveys an independent estimate is available: the the sum of the sample weights, corrected for non-response.  This won't work if: 1) the weights were standardized to sum to sample size; or 2) the sample was drawn poorly, e.g. a SRS of unequally sized units was drawn at the first stage.

Steve
sjsamuels@gmail.com



On May 14, 2012, at 12:10 AM, Richard Williams wrote:

At 09:09 PM 5/13/2012, Stas Kolenikov wrote:
I'd say this is an oversight. There's nothing special to -total- that
would make it terribly different from other commands, so you should
just proceed with -cmdok- option of -mi estimate-.

Support for -total- was added in version 12. It does seem odd it wasn't supported before. Perhaps it could be double-checked against the -means- command to make sure it will work ok in Stata 11.


On Sun, May 13, 2012 at 11:24 AM, Lauren Pollack
<lauren.pollack@gmail.com> wrote:
> I am using Stata 11.1 and trying to obtain population estimates for
> multiply imputed survey data. My data is mi set and I am analyzing it
> using the mi commands. It is survey data, so it is also svyset. I can
> see that mi commands allow one to obtain proportions, ratios, and
> means for survey data using the command structure "mi estimate: svy:
> [proportion/mean/ratio]" but the command I really need to use is "svy:
> total", to obtain population estimates. This is the command I use to
> obtain population estimates for non-mi data. Is there any way to do
> this using the mi commands? It's not listed as a supported command,
> but I have to imagine there is some way of obtaining population
> estimates for multiply imputed survey data.
>
> *
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--
---- Stas Kolenikov
-- http://stas.kolenikov.name
---- Senior Survey Statistician, Abt SRBI
-- Opinions stated in this email are mine only, and do not reflect the
position of my employer

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-------------------------------------------
Richard Williams, Notre Dame Dept of Sociology
OFFICE: (574)631-6668, (574)631-6463
HOME:   (574)289-5227
EMAIL:  Richard.A.Williams.5@ND.Edu
WWW:    http://www.nd.edu/~rwilliam

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