Thank you so much! That is very helpful.
May
--- Steven Samuels <[email protected]> wrote:
> The website for OD ("Optimal Design") is:
> http://sitemaker.umich.edu/
> group-based/optimal_design_software
>
> -Steve
> On May 15, 2008, at 11:41 AM, Lachenbruch, Peter
> wrote:
>
> > There is a program OD - it's available through U
> Michigan Survey
> > Research Center. The authors are Jessica Spybrook
>
> > ([email protected]),
> > Andres Martinez ([email protected]) , Xiaofeng Liu
> ([email protected] )
> > and
> > Stephen Raudenbush ([email protected] ).
> > It's based on work by Raudenbush and colleagues.
> It's pretty easy to
> > use, but you need to figure out what the 'right'
> values of some
> > parameters are.
> >
> >
> > Tony
> >
> > Peter A. Lachenbruch
> > Department of Public Health
> > Oregon State University
> > Corvallis, OR 97330
> > Phone: 541-737-3832
> > FAX: 541-737-4001
> >
> >
> > -----Original Message-----
> > From: [email protected]
> > [mailto:[email protected]] On
> Behalf Of MAY BAYDOUN
> > Sent: Thursday, May 15, 2008 8:31 AM
> > To: [email protected]
> > Subject: st: power analysis for mixed models
> >
> > Hello,
> >
> > I was wondering if there is an easy way to
> calculate
> > power for mixed models in Stata using a similar
> method
> > as the one for stpower. I know there is a command
> for
> > repeated measures but not for xtmixed or xtreg.
> Thank
> > you,
> >
> > May
> >
> > May Baydoun, PhD in Epidemiology (UNC-Chapel Hill)
> Staff Scientist,
> > National Institute on Aging, NIH/IRP, Biomedical
> Research Center,
> > Baltimore, MD
> >
> >
> >
> > *
> > * For searches and help try:
> > *
> http://www.stata.com/support/faqs/res/findit.html
> > * http://www.stata.com/support/statalist/faq
> > * http://www.ats.ucla.edu/stat/stata/
> >
> > *
> > * For searches and help try:
> > *
> http://www.stata.com/support/faqs/res/findit.html
> > * http://www.stata.com/support/statalist/faq
> > * http://www.ats.ucla.edu/stat/stata/
>
> *
> * For searches and help try:
> *
> http://www.stata.com/support/faqs/res/findit.html
> * http://www.stata.com/support/statalist/faq
> * http://www.ats.ucla.edu/stat/stata/
>
May Baydoun, PhD in Epidemiology (UNC-Chapel Hill) Staff Scientist, National Institute on Aging, NIH/IRP, Biomedical Research Center, Baltimore, MD
*
* For searches and help try:
* http://www.stata.com/support/faqs/res/findit.html
* http://www.stata.com/support/statalist/faq
* http://www.ats.ucla.edu/stat/stata/