bdstat {MESS} | R Documentation |
Danish live births and deaths
Description
Monthly live births and deaths in Denmark from January 1901 to March 2013.
Format
A data frame with 1356 observations on the following 4 variables.
- year
a numeric vector giving the month
- month
a numeric vector giving the year
- births
a numeric vector. The number of births for the given month and year
- dead
a numeric vector. The number of deaths for the given month and year
Source
Data were obtained from the StatBank from Danmarks Statistik, see http://www.statbank.dk.
Examples
data(bdstat)
plot(bdstat$year + bdstat$month/13, bdstat$birth, type="l")
# Create a table of births
# Remove year 2013 as it is incomplete
btable <- xtabs(births ~ year + month, data=bdstat, subset=(year<2013))
# Compute yearly birth frequencies per month
btable.freq <- prop.table(btable, margin=1)
[Package MESS version 0.5.12 Index]