age.in.years: Compute Age From Date-of-Birth

In benjaminrich/PCSmisc: Useful functions for longitudinal data set construction and manipulation.

Description

Computes the age of a person (in years) on a specified date from the person's date of birth.

Usage

age.in.years(on.this.date, birth.date)

Arguments

on.this.date	A vector of Date objects. The date on which the age is to be computed.
birth.date	A vector of Date objects. The date-of-birth.

Value

An integer vector containing the age in years.

Author(s)

Ben Rich <[e-mail]>

See Also

difftime

Examples

age.in.years(
  as.Date(c("2012-03-01", "2012-02-29", "2012-02-28")),
  as.Date(c("1980-02-03", "1980-02-29", "1980-05-28")))

benjaminrich/PCSmisc documentation built on May 24, 2019, 5:02 a.m.