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st: boostrap method and survival analysis


From   Friederike Barthel <FriederikeB@ctu.mrc.ac.uk>
To   "'statalist@hsphsun2.harvard.edu'" <statalist@hsphsun2.harvard.edu>
Subject   st: boostrap method and survival analysis
Date   Mon, 9 Dec 2002 14:56:18 -0000

I am trying to bootstrap a data set and then run the survival analysis on
it....so far i have got the following outline:

program define bootstrap
 version 7.0
 if "`1'"=="?" {
 global S_1 " ?????? "
 exit
 }
stset progtm, failure(progid)
st test trt
post `1' ????????
end


what can I input for the ??????? so that in my output i will have the
observed and expected numbers of failures for treatment group 1 and 2? 

Thank you

Sophie
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