sampleData | R Documentation |
mjoint
objectGeneric function used to sample a subset of data from an object
of class mjoint
with a specific number of subjects.
sampleData(object, size = NULL, replace = TRUE)
object |
an object inheriting from class |
size |
number of subjects to include in the sampled subset. If
|
replace |
use replacement when sampling subjects? Default is
|
This function is primarily intended for internal use in the
bootSE
function in order to permit bootstrapping. However, it
can be used for other purposes given a fitted mjoint
object.
A list of 2 data.frames: one recording the requisite longitudinal outcomes data, and the other recording the time-to-event data.
Graeme L. Hickey (graemeleehickey@gmail.com)
mjoint
.
## Not run:
# Fit a joint model with bivariate longitudinal outcomes
data(heart.valve)
hvd <- heart.valve[!is.na(heart.valve$log.grad) & !is.na(heart.valve$log.lvmi), ]
fit2 <- mjoint(
formLongFixed = list("grad" = log.grad ~ time + sex + hs,
"lvmi" = log.lvmi ~ time + sex),
formLongRandom = list("grad" = ~ 1 | num,
"lvmi" = ~ time | num),
formSurv = Surv(fuyrs, status) ~ age,
data = list(hvd, hvd),
inits = list("gamma" = c(0.11, 1.51, 0.80)),
timeVar = "time",
verbose = TRUE)
sampleData(fit2, size = 10)
## End(Not run)
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