R: Compute the age of a person from two dates.

age {MESS} | R Documentation

## Compute the age of a person from two dates.

### Description

Compute the age in years of an individual based on the birth date and another (subsequent) date

### Usage

    age(from, to)

### Arguments

`from` | a vector of dates (birth dates)
`to` | a vector of current dates

### Details

Returns the full number of years that a person is old on a given date.

### Value

A vector of ages (in years)

### Author(s)

Claus Ekstrom claus@rprimer.dk

### See Also

`as.POSIXlt`

### Examples

    born <- c("1971-08-18", "2000-02-28", "2001-12-20")
    check <- c("2016-08-28")
    age(born, check)

[Package MESS version 0.5.9 Index]