calc_age_in_yrs: Calculate age in years.

In gcpsresearch/refuns: A collection of functions used by the GCPS Office of Research & Evaluation

Description

This function calculates age in years as of a certain date, correctly accounting for leap years. You could also use it to calculate years between any two dates.

Usage

calc_age_in_yrs(birth_dt, as_of_dt)

Arguments

birth_dt	Input birthdate as a string with formatting YYYY/MM/DD (e.g., "1981/02/25")
as_of_dt	Input date at which age is to be calculated as a string with formatting YYYY/MM/DD (e.g., "2019/05/21")

Examples

## Not run: 
born <- "1981/02/25"
yesterday <- Sys.Date() - 1
calc_age_in_yrs(born, yesterday)

## End(Not run)

gcpsresearch/refuns documentation built on June 23, 2020, 11:02 a.m.