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Re: st: flongsep and pooled estimates

From   Joerg Luedicke <>
Subject   Re: st: flongsep and pooled estimates
Date   Fri, 17 Jun 2011 00:59:06 -0400

On Thu, Jun 16, 2011 at 10:24 PM, Wike, Traci <> wrote:
> Hi everyone,
> I am running an analysis on m=0 using the flongsep format for my imputed data--flongsep automatically updates the other imputed datasets based on m=0--does this mean that it pools estimates the same way the command mi estimate does? I am trying to work around mi estimate because it does not support a command I need.

If you run your analysis on m=0 then you do not use any imputed data.
-flongsep- defines one of four ways to store/handle your multiply
imputed data (-help mi set-). Specifically, when using the -flongsep-
format, M+1 data files are stored separately. For example, if you
impute 3 data sets (M=3) you save separate files for m=0, m=1, m=2,
and m=3. For cases without imputed values m1=m2=m3=m0 because of the
full long format. For cases with imputed data, the values vary across
m1 to m3 and are missing in m0. In any case, this is not affecting the
way estimates are combined after running an estimation command.


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