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Implements Firth's penalized maximum likelihood bias reduction method for Cox regression which has been shown to provide a solution in case of monotone likelihood (nonconvergence of likelihood function). The program fits profile penalized likelihood confidence intervals which were proved to outperform Wald confidence intervals.
Package details 


Author  Georg Heinze [aut, cre], Meinhard Ploner [aut] 
Maintainer  Georg Heinze <[email protected]> 
License  GPL 
Version  1.13 
URL  http://cemsiis.meduniwien.ac.at/kb/wf/software/statistischesoftware/fccoxphf/ 
Package repository  View on CRAN 
Installation 
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