joineR (version 1.0-3)

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

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)