Hadley Wickham, Lisa Stryjewski. 40 years of boxplots. Download: pre-print The boxplot plot has been around for over 40 years. This paper summarises the improvements, extensions and variations since Tukey first introduced his 'schematic plot in 1970. We focus particularly on richer displays of density and extensions to 2d. @TechReport{boxplots, author = {Hadley Wickham and Lisa Stryjewski}, instit