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plot(cox.zph())
2007 Sep 27
1
plot(cox.zph())
...nite 'ylim' values In addition: Warning messages: 1: NaNs produced in: sqrt(x$var[i, i] * seval) 2: no non-missing arguments to min; returning Inf in: min(x) 3: no non-missing arguments to max; returning -Inf in: max(x) Can you please help me with this problem? Many thanks, Aihua Statistiician University of British Columbia [[alternative HTML version deleted]]