Hello,
I have observation data in which patients have self-selected treatment
groups. I'll analyze these data using -stcox-.
I'd like to estimate a power-sample size curve at different group sizes.
I'd I have considered the program -artsurv-, but it looks like it's
designed specifically for random allocation. Is there another way to do
this in Stata?
Best wishes,
Michael
____________________________________
Michael McCulloch
Pine Street Clinic
Pine Street Foundation
124 Pine Street, San Anselmo, CA 94960-2674
tel 415.407.1357
fax 415.485.1065
email: [email protected]
web: www.pinest.org
www.pinestreetfoundation.org
www.medepi.net/meta
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