###############################+
# print & plot method for compare_KM_flexsurvreg class
###############################+
print.compare_KM_flexsurvreg <- function(x, ...) {
attributes(x) <- NULL
print(x)
}
plot.compare_KM_flexsurvreg <- function(x, ...) {
x = attr(x,'est.compare')
plot(surv_flex~surv_KM, data = x,...)
abline(a=0, b=1,col=2)
}
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