--- "Rodrigo A. Alfaro" <[email protected]> wrote:
> Paul himself wrote a macro for SAS available in his webpage
> (http://www.ssc.upenn.edu/~allison/) that uses the EM/IP algorithm
> based on multivariate normal to generate multiple imputations. I do
> not have SAS, but I understand that the macro works using SAS/IML
> language which I realized is very similar to Mata in the case of
> Stata.
>
> Now the questions: (1) Is there someone who traslated that SAS/IML
> code into Mata?, (2) Is there someone who is planning to do it? I am
> interested to contact that person because I need the code and I want
> to try the traslation.
That looks a lot like a program by Joe Schafer called norm. An version
of that program also exists in R. The inner workings are described in
detail in:
Schafer, J.L. (1997) "Analysis of Incomplete Multivariate Data",
Chapman & Hall, London.
-- Maarten
-----------------------------------------
Maarten L. Buis
Department of Social Research Methodology
Vrije Universiteit Amsterdam
Boelelaan 1081
1081 HV Amsterdam
The Netherlands
visiting address:
Buitenveldertselaan 3 (Metropolitan), room Z434
+31 20 5986715
http://home.fsw.vu.nl/m.buis/
-----------------------------------------
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