levels.Surv {survival} | R Documentation |
Return the states of a multi-state Surv object
Description
For a multi-state Surv
object, this will return the names
of the states.
Usage
## S3 method for class 'Surv'
levels(x)
Arguments
x |
a |
Value
for a multi-state Surv
object, the vector of state names
(excluding censoring); or NULL for an ordinary Surv
object
Examples
y1 <- Surv(c(1,5, 9, 17,21, 30),
factor(c(0, 1, 2,1,0,2), 0:2, c("censored", "progression", "death")))
levels(y1)
y2 <- Surv(1:6, rep(0:1, 3))
y2
levels(y2)
[Package survival version 3.8-3 Index]