[R] survival curves for time dependent covariates (was "consultation")

[Heinz Tuechler]

At 14:50 12.05.2009, Terry Therneau wrote:
>*I´m writing to ask you how can I do Survivals Curves using Time-dependent
>*covariates? Which packages I need to Install?*
>
>   This is a very difficult problem 
> statistically.  That is, there are not many
>good ideas for what SHOULD be done.  Hence, there are no packages. Almost
>everything you find in an applied paper (e.g. a medical journal) is wrong.
>
>      Terry Therneau
>

Dear Terry,

just in case it does not make too much work to 
you, maybe you could give some references to 
examples of wrong applications in applied medical papers.

Thanks,
Heinz