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371932
2002 Oct 08
2
Frailty and coxph
Does someone know the rules by which 'coxph' returns 'frail', the
predicted frailty terms? In my test function:
-----------------------------------------------
fr <- function(){
#testing(frailty terms in 'survival'
require(survival)
dat <- data.frame(exit = 1:6,
event = rep(1, 6),
x = rep(c(0, 1), 3),