[R] Direct adjusted survival?

[Thomas Lumley]

On Wed, 30 Jan 2008, Peter Jepsen wrote:
>
> I am trying to find an R function to compute 'direct adjusted survival'
> with standard errors. A SAS-macro to do this is presented in Zhang X,
> Loberiza FR, Klein JP, Zhang MJ. A SAS macro for estimation of direct
> adjusted survival curves based on a stratified Cox regression model.
> Comput Methods Programs Biomed 2007;88:95-101. It appears that this
> method is not implemented in R. Can anyone prove me wrong?
>

This looks like what survexp() does. It's hard to be sure, since I can 
only find the abstract online.

 	-thomas