Kaplan–Meier Survival Curve (Calculation) — create_survival_calc • vivainsights

Computes a long-format Kaplan–Meier survival table by group and applies a minimum group size threshold (mingroup).

Usage

create_survival_calc(
  data,
  time_col,
  event_col,
  hrvar = NULL,
  id_col = "PersonId",
  mingroup = 5,
  na.rm = TRUE
)

Arguments

data: data.frame.
time_col: Character. Time-to-event column name.
event_col: Character. Event indicator column name.
hrvar: Character or NULL. Grouping column name.
id_col: Character. Optional id column name for distinct counts.
mingroup: Numeric. Minimum group size.
na.rm: Logical. Drop missing values in required columns.

Value

A list with elements:

table: long survival table with columns (group, time, survival, at_risk, events, n)
counts: group size table