calcAge: Calculate the difference between two date in terms of unit of...

In epifit: Flexible Modelling Functions for Epidemiological Data Analysis

Description

This function calculate the difference between two date in terms of unit of time, and age can be obtained when ‘year’ is specified as unit argument.

Usage

calcAge(birthday, targetdate = Sys.Date(), unit = "year")

Arguments

birthday	a character or character vector specifying birthday or base date.
targetdate	a character or character vector specifying target date.
unit	a character specifying unit for calculating the difference between the two dates. Values of "year", "month" and "day" are supported.

Value

a vector of age

Examples

calcAge("1963-2-3")

Example output

[1] 55

epifit documentation built on May 29, 2017, 3:43 p.m.