Kaplan-Meier product-limit survival estimator.

Thin wrapper around survival::survfit() returning a tidy list with Greenwood or complementary-log-log confidence bands.

Usage

morie_survival_km(
  time,
  event,
  confidence = 0.95,
  ci_method = c("greenwood", "log-log")
)

Arguments

time

Numeric vector of observation times.

event

0/1 event indicator (1 = event observed).

confidence

Confidence level (default 0.95).

ci_method

"greenwood" (plain) or "log-log".

Value

list with times, survival, ci_lower, ci_upper, at_risk, events, censored, median_survival, method.