us.age {Rlab}

American age data

Description

The data set us.age contains the average age for all Americans (all),

females (f), and males (m) for the years 1990-1999. Actually, the data from

the US Census Bureau are based on the 1990 census and then updated yearly.

Format

A data frame with 10 observations on the following 4 variables.

all

: average age of all Americans

f

: average age of female Americans

m

: average age of male Americans

year

: 4 digit year

Source

US Census Bureau