nato dataset of NATO/OTAN member defense
expenditures."dstk" option for parse_country()
as the Data Science Tookit API appears dead.order_countries() to make sorting vectors of
countries simpler, particularly when passed to the limits
parameter of a ggplot2 discrete scale.country_format() to accept a factor
parameter along to as_country_name().NEWS.md file to track changes to the
package.parse_country().convert_country() constructor for ggplot2
convenience.