[R] Software/algorithms for competing risks analysis

[Ravi Varadhan]

Dear R group:

I am compiling a list of available algorithms/macros/software for 
performing the following types of competing risks analyses:
(1) cumulative (crude) incidence regression
(2) Gray's K-sample log-rank test for cmulative incidence
(3) multi-state models
(4) dependent competing risks modeling with (a) copulas, (b) Robin's 
Inverse probability of censoring weighted (IPCW) estimator, (c) frailty

I would really appreciate any pointers/references to 
algorithms/software in other environments such as SAS/STATA/SPSS, as 
well as in R.

Thanks very much,
Ravi.