Subsetting object of class jointdata
Returns an object of class jointdata which is a subset of
an original object of class jointdata.
## S3 method for class 'jointdata' subset(x, subj.subset, ...)
x |
an object of class |
subj.subset |
vector of subject identifiers, to include in the data subset. This must be a unique vector of patient identifiers. |
... |
further arguments to be passed to or from other methods. |
An object of class jointdata, with data only on a subset of
subjects.
Ines Sousa (isousa@math.uminho.pt)
data(heart.valve)
heart.surv <- UniqueVariables(heart.valve,
var.col = c("fuyrs", "status"),
id.col = "num")
heart.long <- heart.valve[, c(1, 4, 5, 7, 8, 9, 10, 11)]
heart.jd <- jointdata(longitudinal = heart.long,
survival = heart.surv,
id.col = "num",
time.col = "time")
take <- heart.jd$survival$num[heart.jd$survival$status == 0]
heart.jd.cens <- subset(heart.jd, take)Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.