References

Cleveland, William S., and Robert McGill. 1985. “Graphical Perception and Graphical Methods for Analyzing Scientific Data.” American Association for the Advancement of Science 229 (4716): 828–33.
Tufte, Edward R. 2001. The Visual Display of Quantitative Information. 2nd ed. Cheshire, Connecticut: Graphics Press.
Wickham, Hadley. 2010. “A Layered Grammar of Graphics.” Journal of Computational and Graphical Statistics 19 (1): 3–28.
Wilke, Claus O. 2019. Fundamentals of Data Visualization: A Primer on Making Informative and Compelling Figures. O’Reilly Media, Incorporated.