Dataset containing altered death rates (mx), death counts (Dx)
and exposures (Ex) for the female population living in
England & Wales in four different years: 1850, 1900, 1950 and 2010.
The data-set is provided for testing purposes only.
Download the actual data free of charge from https://www.mortality.org.
Once a username and a password are created on the website the function
ReadHMD
can be used for downloading.