R: Danish live births and deaths

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 0.5.9 Index]