d2a {ageg}

Date to Age

Description

Function that converts a Date class vector of birth date values to numeric age values. This function is preparative to the a2g function.

Usage

d2a(bd)

Arguments

bd

Vector of Date class values. The date "yyyy-mm-dd" format is expected.

Value

Returns a numeric class vector object of ages if the function is provided a Date class object. The function will otherwise return an error message stating that the function requires a Date class object.

Examples

datevals <- as.Date(c("2019-01-01","1920-12-12","1980-02-02","1991-03-03" ))


d2a(datevals)

# > d2a(datevals)
# [1]  3 101  42  31