Biograph (version 2.0.6)

Date_as_age: Converts a vector of dates (class 'Date') to ages.

Description

Converts a vector of dates (class 'Date') to ages. Function needs birth dates.

Usage

Date_as_age (x,format.in,born)

Arguments

x

Vector of dates of class 'Date'

format.in

date format

born

Vector of dates of birth. Birth dates have the same format as the other dates.

Value

age.sec

Age in seconds

age.day

Age in days

age

Age in years, months and days (produced by package lubridate)

age.year

Age in decimal year

Examples

	Date_as_age ("2010-10-30","%Y-%m-%d","1990-4-20")