SAS and SPLUS programs to perform Cox regression without convergence problems.
Heinze G, Ploner M.
Heinze G, et al.
Comput Methods Programs Biomed. 2002 Mar;67(3):217-23. doi: 10.1016/s0169-2607(01)00149-3.
Comput Methods Programs Biomed. 2002.
PMID: 11853948
Statistical software packages for Cox regression using the maximum likelihood method cannot appropriately deal with this problem. A new procedure to solve the problem has been proposed by G. Heinze, M. Schemper, A solution to the problem of monotone likelihood in Co …
Statistical software packages for Cox regression using the maximum likelihood method cannot appropriately deal with this problem. A new proc …