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st: STATA 11 MI - how to get a standardized correlation?
From
Christina Weiland <[email protected]>
To
[email protected]
Subject
st: STATA 11 MI - how to get a standardized correlation?
Date
Tue, 11 May 2010 18:06:20 -0400
Hello -
I am using STATA 11's MI features. However, as I saw noted on another
post, the "beta" option for mi estimate: reg does not work (that post
is here: http://www.stata.com/statalist/archive/2009-12/msg01005.html).
I would like to estimate the standardized correlations among some of
my imputed variables. Does anyone know how to do this easily? I've
used the following round-about procedure but I'm not sure that it is
correct (and whether correct or not, it is annoying) -
mi estimate: mean y x
(using the SE produced from the above step, I calculate the standard
deviation by hand)
/****Then, I standardize the variables of interest*****
mi passive: generate x2=(x-mean_of_x)/STD_of_x
mi passive: generate y2=(y-mean_of_y)/STD_of_y
/*****regress the standardized x on standardized y***/
mi estimate, post: reg y2 x2
Thanks for any and all help/suggestions!
Chris
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