It's not Stata, but Unix and DOS versions of "Programs for Computing Group Sequential Boundaries Using the Lan-DeMets Method" are available at http://www.biostat.wisc.edu/landemets/ (a Google search will turn up more sites).
Eric
>>> [email protected] 12/09/2002 3:48:22 PM >>>
I know of none. When I was on a DSMB a couple of
years ago, I used EAST from Cytel software.
Rich Goldstein
Clyde Schechter wrote:
>
> Do any of you know of any Stata code to calculate stopping rules for
> multiple, prospectively planned, sequential looks at study data, preserving
> overall Type I and Type II error rates? I tried -findit- with a number of
> different keywords but didn't get anything that looked like what I need.
>
> Thanks for any help.
>
> Clyde Schechter
> Dept. of Family Medicine & Community Health
> Albert Einstein College of Medicine
> Bronx, NY, USA
*
* 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/
