SciencesPo (version 1.02.12)

ageGroups: Return a factor variable of age groups

Description

Return a factor variable using breaks and labels. The function will calculate the age based upon the to if given, otherwise the age.var will be used.

Usage

ageGroups(x = NULL, from, to, breaks, labels)

Arguments

x

if a var containing the age already exists.

from

The date of origin, typically birthdate.

to

The up to date to compute the age.

breaks

The numeric break guide for grouping age.

labels

The labels for the age groups, can also be set to labels=NULL.

encoding

UTF-8

Examples

# The age groupings used by IBGE (grandes grupos).
# simulate vector with 1000 age values
age <- sample(0:100, 1000, replace = TRUE)
mean(age); sd(age);
ageGroups(age, breaks = c(0, 14, 64, Inf), labels = NULL )
ageGroups(age, breaks = c(0, 14, 64, Inf),
labels = c("<14", "15-64", "65+") )

ibge_brks = c(0, 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, Inf)
ibge_lbls = c("0-4", "5-9", "10-14", "15-19", "20-24",
		"25-29", "30-34", "35-39", "40-44", "45-49", "50-54",
 	"55-59", "60-64", "65-69", "70+")
ageGroups(age, breaks = ibge_brks, labels = ibge_lbls )