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Re: st: power/ sample size for time-to-event


From   n p <nik_padazis@yahoo.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: power/ sample size for time-to-event
Date   Tue, 9 Sep 2003 08:58:02 -0700 (PDT)

"findit ssmenu" could be helpful.

Nikos Pantazis
Biostatistician

--- Howells_W@bmc.wustl.edu wrote:
> Are there any commands or ado files for calculating
> power and sample size
> for time to event outcomes?  Failing that, any
> recommendation of software
> for the basic two group exponential survival
> comparison?  or simulation
> approaches for more complex designs, eg. multiple
> failures?
> 
> Bill Howells, MS
> Behavioral Medicine Center
> Washington University in St Louis
> 
> 
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