AutoSales               Sales of cars and vans in Germany in the years
                        2017 and 2018.
AutoSalesX              Sales of cars and vans in Germany by
                        manufacturer (edited version of AutoSales).
CPIuk                   Consumer Price Index data for the UK for August
                        2017 and August 2018.
NIpop                   Northern Ireland population estimates 2011-2017
UpAndDownPlots-package
                        UpAndDownPlots: display both percentage and
                        absolute changes
dgroup                  Draws UpAndDown plots for different grouping
                        variables
sort5                   Draws five UpAndDown plots for one grouping
                        variable with the five different sorting
                        methods provided
ud_colours              Set colours for UpAndDown plots
ud_plot                 Draws an UpAndDown plot to display percentage
                        and absolute changes
ud_prep                 Prepares data for drawing an UpAndDown plot
