pubs_per_capita.Rd
For the entire world, Europe (for European countries tend to be smaller) and states within the US.
A data frame with one row per publication and columns country and for the US, also a column "state/province".
Whether to plot the world map or only Europe (centered on Western Europe and some Eastern European countries are partially cropped off) or only the US.
Whether to plot choropleth or bar plot.
If plotting the US, whether to label the states.
A ggplot2 object.