References

Chang, Winston. 2013. R Graphics Cookbook. Farnham: O’Reilly.

Sievert, Carson, Chris Parmer, Toby Hocking, Scott Chamberlain, Karthik Ram, Marianne Corvellec, and Pedro Despouy. 2017. Plotly: Create Interactive Web Graphics via “Plotly.js”. https://CRAN.R-project.org/package=plotly.

Tufte, Edward R. 2013. The Visual Display of Quantitative Information. Second edition. Graphics Press.

Wickham, Hadley. 2009. ggplot2: Elegant Graphics for Data Analysis. Springer-Verlag New York. http://ggplot2.org.