Nothing
test_that(
desc = 'leaf node stats have same time/surv/chaz as survfit',
code = {
for(i in seq_along(mat_list_surv)){
y <- mat_list_surv[[i]]$y
w <- mat_list_surv[[i]]$w
r <- sprout_node_survival_exported(y, w)
aorsf_surv <- r$prob[[1]]
aorsf_chaz <- r$chaz[[1]]
aorsf_time <- r$indx[[1]]
aorsf_mort <- r$mort[[1]]
kap_fit <- survfit(Surv(time, status) ~ 1,
data = as.data.frame(y),
weights = w)
kap_data <- data.frame(time = kap_fit$time,
surv = kap_fit$surv,
cumhaz = kap_fit$cumhaz,
n_event = kap_fit$n.event)
kap_data <- subset(kap_data, n_event > 0)
expect_equal(kap_data$time, aorsf_time, tolerance = 1e-9)
expect_equal(kap_data$surv, aorsf_surv, tolerance = 1e-9)
expect_equal(kap_data$cumhaz, aorsf_chaz, tolerance = 1e-9)
expect_equal(sum(kap_data$cumhaz), aorsf_mort, tolerance = 1e-9)
}
}
)
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