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Re: st: Stopping rules for multiple looks at data

From   Richard Goldstein <>
Subject   Re: st: Stopping rules for multiple looks at data
Date   Mon, 09 Dec 2002 15:48:22 -0500

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
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