http://qz.com/316906/the-dude-map-how-american-men-refer-to-their-bros
https://www.r-bloggers.com/pisa-2015-how-to-readprocessplot-the-data-with-r
base
lattice
ggplot2
base
plotting systembase
knows how to plot an objectggplot2
has the autoplot
functionggplot2
failed for meggplot2
special?“gg” means “Grammar of graphics”
ggplot2
, the first place to go isggplot2
showshow-ggplot2.R
”