add_nevent.tbl_survfit | R Documentation |
maturing
For each survfit()
object summarized with tbl_survfit()
this function
will add the total number of events observed in a new column.
## S3 method for class 'tbl_survfit'
add_nevent(x, ...)
x |
object of class 'tbl_survfit' |
... |
Not used |
Example 1
Other tbl_survfit tools:
add_n.tbl_survfit()
,
add_p.tbl_survfit()
,
modify
,
tbl_merge()
,
tbl_split()
,
tbl_stack()
,
tbl_strata()
,
tbl_survfit()
library(survival)
fit1 <- survfit(Surv(ttdeath, death) ~ 1, trial)
fit2 <- survfit(Surv(ttdeath, death) ~ trt, trial)
# Example 1 ----------------------------------
add_nevent.tbl_survfit_ex1 <-
list(fit1, fit2) %>%
tbl_survfit(times = c(12, 24)) %>%
add_n() %>%
add_nevent()
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