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Re: st: RE: mim: reg command
At 11:37 AM 4/26/2007, Maarten Buis wrote:
--- Richard Williams wrote:
> I notice that when you use the mim command (available from SSC) you
> don't get an R^2 statistic, e.g.
<snip>
> Would it be legit to average the R^2 from the separate imputations,
> or to otherwise compute it
Donald Rubin answered this question on the impute list. See:
http://www.mail-archive.com/[email protected]/msg00102.html
Hope this helps,
Maarten
Thanks. I am not sure I understand his answer, but thanks. I just
wish everyone would get in the habit of presenting Stata code when
answering so I wouldn't have to figure these things out for myself. :)
There are other things you don't get when using mim, e.g. model
chi-squares; many post-estimation commands don't work. Is there
research on how often something terrible horrible awful happens if
you just do something like
reg y x1 x2 x3 [iw = .20]
I'm sure the above is sub-optimal, but is it likely to matter much in practice?
Perhaps the day will come when Stata supports mim: the same way it
supports svy: and all of this will be conveniently worked out for us.
-------------------------------------------
Richard Williams, Notre Dame Dept of Sociology
OFFICE: (574)631-6668, (574)631-6463
HOME: (574)289-5227
EMAIL: [email protected]
WWW: http://www.nd.edu/~rwilliam
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