Yes! Thank you.
-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Jenkins S P
Sent: Saturday, January 24, 2004 1:10 PM
To: [email protected]
Subject: Re: st: unit-specific indicators vs. unit-specific baseline
hazards in survival analysis
On Sat, 24 Jan 2004, Alexander Tsai wrote:
> Dear Statalisters,
>
> I am fitting some Cox proportional hazards models to data where
> individuals are clustered within units. I could include unit-specific
> indicators (eg., by including dummy variables for each unit), but I
> would like to adopt the more general specification of unit specific
> baseline hazards (that would allow not just the intercept but also the
> shape of the baseline hazard to account for fixed differences across
> units).
>
> So far I have been reading the Stata 8 manual and the Stata book on
> survival analysis by Cleves/Gould/Gutierrez, but I am at a loss as to
> how to do this in Stata. I imagine it must be something simple that I
> am missing...
Does the -strata()- option in -stcox- do what you require?
Stephen
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