plotSurv {survMisc}R Documentation

Plot a Surv object.

Description

Plot a Surv object.

Usage

## S3 method for class 'Surv'
plot(x, l = 3, ...)

Arguments

x

A Surv object

l

length of arrow. Length is l / nrow(x)

...

Additional arguments.
These are passed to as ... (an ellipsis) to the following functions, respectively:

graphics::arrows

for plotting right- or left-censored observations

graphics::segments

for plotting interval-censored observations

Value

A graph (base graphics). The type of graph depends on the type of the Surv object. This is given by attr(s, which="type") :

counting

Lines with an arrow pointing right if right censored.

right

Lines with an arrow pointing right if right censored.

left

Lines with an arrow pointing left if left censored.

interval

If censored:

arrow points right

right censored

arrow points left

left censored

If not censored:

lines

observations of more than one time point

points

observation of one time only (i.e. start and end times are the same)

See Also

?graphics::arrows

?graphics::segments

Examples

df0 <- data.frame(t1=c(0, 2, 4, 6, NA, NA, 12, 14),
                  t2=c(NA, NA, 4, 6, 8, 10, 16, 18))
s5 <- Surv(df0$t1, df0$t2, type="interval2")
plot(s5)
[Package survMisc version 0.5.4 Index]