The list contained 4 countries (Denmark, Japan, Sweden and
Switzerland). Data taken from the Human Mortality Database on 30 August
2011. Data are accessible either manually or using
selectHMDdata.
For a given country, the matrices have the same dimensions. The vector
age is the same for each country (0:110), whereas years depends
on the availability.
pop indicates population size on January 1st of each age and
year.
death are death counts occurred during one age-year interval.
exposure population is approximated by the average of the
population size in the beginning and at the end of the year.
rate are computed as ratio between death counts and exposures.
References
Human Mortality Database (2011). University of California,
Berkeley (USA), and Max Planck Institute for Demographic Research
(Germany). Available at www.mortality.org.
data(HMDdata)
plot(HMDdata$Japan$year, HMDdata$Japan$pop$female[81,],
main="Japan population, female, age 80")
## list of available countriesnames(HMDdata)