date_to_age: Convert Dates to Ages

In brendan-r/brocks: The Personal R Functions of Brendan Rocks

Description

Convert dates to ages.

Usage

date_to_age(dob, refdate = Sys.time())

Arguments

dob	'Date of Birth'
refdate	Reference date to compare x with. Defaults to the current date

Value

Numeric, 'whole number' ages

Author(s)

Brendan Rocks [e-mail]

Examples

# The argument can take a single age
date_to_age("1952-04-29")

# Or a whole vector!
data(test_data)
test_data$age <- date_to_age(test_data$dob)

# Historical ages, too. How old were these people yesterday?

test_data$age <- date_to_age(test_data$dob, Sys.Date() - 1)

brendan-r/brocks documentation built on May 13, 2019, 5:08 a.m.