joineR (version 1.0-2)

sample.jointdata: Sample from a jointdata object

Description

Generic function used to sampling a subset of data from an object of class jointdata, with a specific size of number of subjects.

Usage

sample.jointdata(object, size, replace = FALSE)

Arguments

object

an object of class jointdata

size

number of subjects to include in the sampled subset

replace

should sampling be with replacement?

Value

• The function returns an object of class jointdata, with data only on the subjects sampled.

See Also

sample, jointdata, UniqueVariables.

Examples

data(heart.valve)
heart.surv <- UniqueVariables(heart.valve, 
                              var.col=c("fuyrs", "status"), 
                              id.col = "num")
heart.valve.jd <- jointdata(survival = heart.surv, 
                            id.col = "num", 
                            time.col = "time")
sample.jointdata(heart.valve.jd, size = 10)