(This article was first published on cameron.bracken.bz » R, and kindly contributed to R-bloggers)
ggplot2 tries to make it super easy to add country or state borders to your map, and for the most part it works great as long as you include the entire map region in your plot (all the states or the entire world map for example). A long standing issue with the ggplot2 borders() function […]
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