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RE: st: Power analysis in STATA
From
"David Radwin" <[email protected]>
To
<[email protected]>
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: [email protected] [mailto:owner-
> [email protected]] On Behalf Of martine etienne
> Sent: Tuesday, June 14, 2011 2:03 PM
> To: [email protected]
> 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 <[email protected]>
> To: [email protected]
> 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: [email protected] [mailto:owner-
> > [email protected]] On Behalf Of Richard Goldstein
> > Sent: Tuesday, June 14, 2011 12:44 PM
> > To: [email protected]
> > 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:
> > * http://www.stata.com/help.cgi?search
> > * http://www.stata.com/support/statalist/faq
> > * http://www.ats.ucla.edu/stat/stata/
> *
> * For searches and help try:
> * http://www.stata.com/help.cgi?search
> * http://www.stata.com/support/statalist/faq
> * http://www.ats.ucla.edu/stat/stata/
>
> *
> * For searches and help try:
> * http://www.stata.com/help.cgi?search
> * http://www.stata.com/support/statalist/faq
> * http://www.ats.ucla.edu/stat/stata/
*
* For searches and help try:
* http://www.stata.com/help.cgi?search
* http://www.stata.com/support/statalist/faq
* http://www.ats.ucla.edu/stat/stata/