Computes event times and statuses from start, event, and review dates.
Usage
AS.survoutcome(date_start, date_event, date_follow, divisor = 365.2425/12)
Arguments
- date_start
Vector of start dates.
- date_event
Vector of event dates.
- date_follow
Vector of last follow-up dates for censored cases.
- divisor
Unit conversion factor for time. Default = 365.2425/12.
Value
A numeric matrix with two columns: survival time and status
(1 = event, 0 = censored). Cases with missing start dates or with survival
time ≤ 0 are returned as NA
in both columns.