add_cohort_index: Add cohort column to data frame

In MAPCtools: Multivariate Age-Period-Cohort (MAPC) Modeling for Health Data

Add cohort column to data frame

Description

Adds a column for cohort indices to a data frame, derived from specified age and period index columns through the relationship cohort index = period index - age index + max(age index).

Usage

add_cohort_index(data, age_index, period_index, cohort_name = "cohort_index")

Arguments

data	Data frame with age and period columns.
age_index	Age index column in data.
period_index	Period index column in data.
cohort_name	Name of the cohort index column to be created. Defaults to "cohort_index".

Value

Data frame with additional column for cohort indices.

MAPCtools documentation built on June 25, 2025, 5:09 p.m.