cuminc2 | R Documentation |
Estimate cumulative incidence functions from competing risks data and test equality across groups.
cuminc2(
formula,
data,
rho = 0,
cencode = NULL,
subset = NULL,
na.action = getOption("na.action")
)
formula |
a |
data |
a data frame in which to interpret the variables named in
|
rho , cencode , subset , na.action |
passed to |
summary.cuminc2
; plot.cuminc2
;
cuminc
;
tp <- within(transplant, {
event_ind <- as.integer(event) - 1L
})
## no group, no strata
form <- Surv(futime, event_ind(0)) ~ 1
identical(
cuminc2(form, tp)$cuminc,
with(tp, cuminc(futime, event_ind))
)
## group-only
form <- Surv(futime, event_ind(0)) ~ sex
identical(
cuminc2(form, tp)$cuminc,
with(tp, cuminc(futime, event_ind, sex))
)
## strata-only
form <- Surv(futime, event_ind(0) == 1) ~ strata(abo)
identical(
cuminc2(form, tp)$cuminc,
with(tp, cuminc(futime, event_ind, strata = sex))
)
## group and strata
form <- Surv(futime, event_ind(0) == 1) ~ sex + strata(abo)
identical(
cuminc2(form, tp)$cuminc,
with(tp, cuminc(futime, event_ind, sex, abo))
)
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