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st: Re: Missing values test


From   "Rodrigo A. Alfaro" <raalfaroa@gmail.com>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: Re: Missing values test
Date   Sat, 1 Dec 2007 18:21:08 -0300

Hi,

As far I know MAR is an assumption. Joe Schafer's webpage could help you

Rodrigo.


----- Original Message ----- From: "Constantin Colonescu" <ccolonescu@gmail.com>
To: <statalist@hsphsun2.harvard.edu>
Sent: Saturday, December 01, 2007 3:51 PM
Subject: st: Missing values test



Hello,

I run OLS on a list of 10 regressors and the cumulated missing values
pile up to about 30 percent of my sample. I know I can use -ice- and
-impute- to generate the missing values, but I would like to make sure
that my missing values are MRA (missing at random). I was unable to
find out how to test for MRA. Can anyone help me? Thanks.

Constantin Colonescu
Grant MacEwan College
Edmonton
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