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.
|Author||Georg Heinze [aut, cre], Meinhard Ploner [aut]|
|Maintainer||Georg Heinze <[email protected]>|
|Package repository||View on CRAN|
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