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RE: st: Multiple mean comparisons with complex survey design - Richard


From   "Sven Klingemann" <sklingem@uic.edu>
To   <statalist@hsphsun2.harvard.edu>
Subject   RE: st: Multiple mean comparisons with complex survey design - Richard
Date   Tue, 19 Feb 2008 15:22:12 -0600

Hm, just noticed that as well ... guess this has not solved the problem
quite yet ...

-----Original Message-----
From: owner-statalist@hsphsun2.harvard.edu
[mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Richard Williams
Sent: Tuesday, February 19, 2008 3:13 PM
To: statalist@hsphsun2.harvard.edu; statalist@hsphsun2.harvard.edu
Subject: RE: st: Multiple mean comparisons with complex survey design -
Richard

At 03:11 PM 2/19/2008, Sven Klingemann wrote:
>Thanks Richard. I guess I got confused by the Stata Manual:

You can also set it up as a regression problem, in which case you 
could do it in Stata 9:

webuse nhanes2f
xi: svy: reg health i.race
test _Irace_2 _Irace_3, mtest(b)

As I think about it though, I am not sure if this is giving you 
exactly what you want.  It is giving you comparison of 1 versus 2 and 
1 versus 3, but not 2 versus 3.  If you were using the oneway command 
with non-svy data, you would get all three contrasts.  So, maybe this 
doesn't solve your problem after all?

Of course, doing a bonferroni adjust by hand isn't all that hard and 
could perhaps be automated.  Maybe set up a loop to do a bunch of 
test commands.


-------------------------------------------
Richard Williams, Notre Dame Dept of Sociology
OFFICE: (574)631-6668, (574)631-6463
HOME:   (574)289-5227
EMAIL:  Richard.A.Williams.5@ND.Edu
WWW:    http://www.nd.edu/~rwilliam

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