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Re: st: Re: equivalence test


From   Ricardo Ovaldia <ovaldia@yahoo.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Re: equivalence test
Date   Fri, 14 Aug 2009 09:34:16 -0700 (PDT)

Joseph Coveney <jcoveney@bigplanet.com> wrote:

>>You can use either -cs-, which is official, or -rdci-, [...]
>>You would construct the confidence interval and check to see whether
>>both lower and upper confidence bounds fall within the limits specified >>for accepting the alternative hypothesis of therapeutic equivalence.

Thank you. 
As Joseph suggested, I used -rdci- and obtained an:
Agresti-Caffo   95% CI: -0.299  0.067

If I am interested in an equivalence limit of 20%, do I compare the above 95%CI to (-0.2, 0.2)? Or how do I compute the correct equivalence limits?

Thank you,
Ricardo


Ricardo Ovaldia, MS
Statistician 
Oklahoma City, OK


--- On Thu, 8/13/09, Ricardo Ovaldia <ovaldia@yahoo.com> wrote:

> From: Ricardo Ovaldia <ovaldia@yahoo.com>
> Subject: Re: st: Re: equivalence test
> To: statalist@hsphsun2.harvard.edu
> Date: Thursday, August 13, 2009, 12:05 PM
>  previously I asked:
> 
> > Is there a way to perform an equivalence test for a
> 2x2 table.
> > Treatment (0,1) vs. Outcome(0,1)?
> 
> I found -equip- by Richard Goldstein. Does this program
> work correctly?
> If yes, what is the meaning of test1 and test2?
> if no, are there any alternatives (other free software)?
> 
> Thank you,
> Ricardo.
> 
> Ricardo Ovaldia, MS
> Statistician 
> Oklahoma City, OK
> 
> 
> --- On Wed, 8/12/09, Ricardo Ovaldia <ovaldia@yahoo.com>
> wrote:
> 
> > From: Ricardo Ovaldia <ovaldia@yahoo.com>
> > Subject: st: Re: equivalence test
> > To: statalist@hsphsun2.harvard.edu
> > Date: Wednesday, August 12, 2009, 6:01 PM
> > Is there a way to perform an
> > equivalence test for a 2x2 table.
> > Treatment (0,1) vs. Outcome(0,1)?
> > 
> > Thank you,
> > Ricardo
> > 
> > Ricardo Ovaldia, MS
> > Statistician 
> > Oklahoma City, OK
> > 
> > 
> > 
> > 
> >       
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