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")
plot(heart.jd, Y.col = "grad", col = "grey")
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