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RE: st: Power analysis in STATA


From   "David Radwin" <dradwin@mprinc.com>
To   <statalist@hsphsun2.harvard.edu>
Subject   RE: st: Power analysis in STATA
Date   Tue, 14 Jun 2011 14:30:40 -0700 (PDT)

Try looking for the help page on the power analysis relevant to your
particular statistical method at
http://www.ats.ucla.edu/stat/stata/ado/analysis/ ,
http://www.ats.ucla.edu/stat/stata/dae/t_test_power2.htm , or 
http://www.ats.ucla.edu/stat/stata/dae/t_test_power.htm .

David
--
David Radwin
Research Associate
MPR Associates, Inc.
2150 Shattuck Ave., Suite 800
Berkeley, CA 94704
Phone: 510-849-4942
Fax: 510-849-0794

www.mprinc.com


> -----Original Message-----
> From: owner-statalist@hsphsun2.harvard.edu [mailto:owner-
> statalist@hsphsun2.harvard.edu] On Behalf Of martine etienne
> Sent: Tuesday, June 14, 2011 2:03 PM
> To: statalist@hsphsun2.harvard.edu
> Subject: Re: st: Power analysis in STATA
> 
> thank you. Actually, I want to calculate sample size and power for a
study
> that
> I'm working on, following a cohort over 12months for time to treatment
> failure.
> My population is 3000 but I'm a bit confused as to where to go from
there.
> I
> thought calculating using STATA might help. Any additional input will be
> greatly
> appreciated.
> 
> Martine
> 
> 
> 
> ----- Original Message ----
> From: David Radwin <dradwin@mprinc.com>
> To: statalist@hsphsun2.harvard.edu
> Sent: Tue, June 14, 2011 4:25:33 PM
> Subject: RE: st: Power analysis in STATA
> 
> Agreed, and also see the related Stata Journal article, both by Roger
> Newson:
> 
> http://www.stata-journal.com/article.html?article=st0074
> 
> David
> --
> David Radwin
> Research Associate
> MPR Associates, Inc.
> 2150 Shattuck Ave., Suite 800
> Berkeley, CA 94704
> Phone: 510-849-4942
> Fax: 510-849-0794
> 
> www.mprinc.com
> 
> 
> > -----Original Message-----
> > From: owner-statalist@hsphsun2.harvard.edu [mailto:owner-
> > statalist@hsphsun2.harvard.edu] On Behalf Of Richard Goldstein
> > Sent: Tuesday, June 14, 2011 12:44 PM
> > To: statalist@hsphsun2.harvard.edu
> > Subject: Re: st: Power analysis in STATA
> >
> > yes; e.g., download -powercal- (use -findit-) and review the help file
> >
> > better advice could be given if you explained what you wanted
> >
> > Rich
> >
> > On 6/14/11 3:24 PM, martine etienne wrote:
> > > Dear Statalisters,
> > > Are there any graphical approaches to power analysis using STATA?
> > > thanks,
> > > Martie
> > *
> > *   For searches and help try:
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> > *   http://www.ats.ucla.edu/stat/stata/
> *
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> *  http://www.ats.ucla.edu/stat/stata/
> 
> *
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> *   http://www.stata.com/support/statalist/faq
> *   http://www.ats.ucla.edu/stat/stata/
*
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