IPCweights(x, maxweight = 5)
Surv
.Torsten Hothorn, Peter Buhlmann, Sandrine Dudoit, Annette Molinaro and Mark J. van der Laan (2006), Survival Ensembles. Biostatistics 7(3), 355--373.
Peter Buhlmann and Torsten Hothorn (2006), Boosting: A statistical perspective. Submitted manuscript.