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Re: st: Non-normal alternative to MANOVA?


From   Steve Samuels <sjsamuels@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Non-normal alternative to MANOVA?
Date   Fri, 2 Jul 2010 11:18:08 -0400

Steve

On Fri, Jul 2, 2010 at 9:44 AM,  <marietherese.kelly@flinders.edu.au> wrote:
> Hi all,
> I have been asked to analyse a small dataset from a randomized controlled trial,
> with 24 subjects (12 in each group, control and intervention). There are 3 sets
> of continuous outcome measures (b1, b2, b3) taken at baseline, 7 weeks and 3
> months, and 2 variables  which need to be controlled for  - level of impairment
> impair (binary) and number of interventions numint (continuous integer).
>
> If the data were normal I would have done something like this:
>
> manova b1 b2 b3=group impair numint, continuous(numint)
>
> and then do various manova tests.
>
> Unfortunately the outcome data b1-3 are highly skewed, so I can't use manova.
> What would be a good alternative?
>
> Thanks.
>
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>



-- 
Steven Samuels
sjsamuels@gmail.com
18 Cantine's Island
Saugerties NY 12477
USA
Voice: 845-246-0774
Fax:    206-202-4783

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