Grammar of Graphics and ggplot2

The French idiomatic expression “l’habit ne fait pas le moine” cautions analysts and data consumers alike not to fall into the trap laid by pretty pictures: content is more important than style. In a world where stakeholder buy-in and data storytelling is becoming increasingly important, however, there is no denying that great content and good visuals provide a significant upgrade on great content alone. In this course, we discuss the grammar of graphics (as implemented in the R tidyverse package ggplot2).