References

Birch, Jennifer. 2012. “Worldwide Prevalence of Red-Green Color Deficiency.” Journal of the Optical Society of America A 29 (3): 313. https://doi.org/10/ggkw82.
Bivand, Roger. 2020. classInt: Choose Univariate Class Intervals. https://CRAN.R-project.org/package=classInt.
Borland, David, and Russell Taylor Ii. 2007. “Rainbow Color Map (Still) Considered Harmful.” IEEE Computer Graphics and Applications 27 (2): 14–17. https://doi.org/10/cf7nms.
CARTO. 2019. CARTOColors Data-Driven Color Schemes. Https://carto.com/carto-colors/.
Chang, Winston. 2014. Extrafont: Tools for Using Fonts. https://CRAN.R-project.org/package=extrafont.
Coombes, Kevin R., Guy Brock, Zachary B. Abrams, and Lynne V. Abruzzo. 2019. Polychrome : Creating and Assessing Qualitative Palettes with Many Colors.” Journal of Statistical Software 90 (Code Snippet 1). https://doi.org/10/ggkqvs.
Crameri, Fabio. 2018. “Geodynamic Diagnostics, Scientific Visualisation and StagLab 3.0.” Geoscientific Model Development 11 (6): 2541–62. https://doi.org/10/gdt4tg.
Fisher, Walter D. 1958. “On Grouping for Maximum Homogeneity.” Journal of the American Statistical Association, 10. https://doi.org/10/gkb5sf.
Garnier, Simon. 2018. Viridis: Default Color Maps from ’Matplotlib’. https://CRAN.R-project.org/package=viridis.
Guidero, Elaine. 2017a. “Typography.” Geographic Information Science &Amp; Technology Body of Knowledge 2017 (Q3). https://doi.org/10.22224/gistbok/2017.3.2.
Guidero, Elaine. 2017b. “Typography.” In Geographic Information Science & Technology Body of Knowledge, edited by John P. Wilson, vol. 2017. University Consortium for Geographic Information Science (UCGIS).
Harrower, Mark, and Cynthia A. Brewer. 2003. ColorBrewer.org: An Online Tool for Selecting Colour Schemes for Maps.” The Cartographic Journal 40 (1): 27–37. https://doi.org/10/ch4c57.
Jiang, Bin. 2013. “Head/Tail Breaks: A New Classification Scheme for Data with a Heavy-Tailed Distribution.” The Professional Geographer 65 (3): 482–94. https://doi.org/10/f24r6j.
Lovelace, Robin, Jakub Nowosad, and Jannes Muenchow. 2025. Geocomputation with R. Second. CRC Press.
Neuwirth, Erich. 2014. RColorBrewer: ColorBrewer Palettes. https://CRAN.R-project.org/package=RColorBrewer.
Nowosad, Jakub. 2018. ’CARTOColors’ Palettes. https://nowosad.github.io/rcartocolor.
Nuñez, Jamie R., Christopher R. Anderton, and Ryan S. Renslow. 2018. “Optimizing Colormaps with Consideration for Color Vision Deficiency to Enable Accurate Interpretation of Scientific Data.” PLOS ONE 13 (7): e0199239. https://doi.org/10/gdzkg4.
Pebesma, Edzer, and Roger Bivand. 2023. Spatial Data Science. Chapman & Hall/CRC the r Series. Chapman & Hall/CRC.
Pedersen, Thomas Lin, and Fabio Crameri. 2020. Scico: Colour Palettes Based on the Scientific Colour-Maps. https://CRAN.R-project.org/package=scico.
Pedersen, Thomas Lin, Jeroen Ooms, and Devon Govett. 2021. Systemfonts: System Native Font Finding. https://CRAN.R-project.org/package=systemfonts.
Pedersen, Thomas Lin, and Maxim Shemanarev. 2021. Ragg: Graphic Devices Based on AGG. https://CRAN.R-project.org/package=ragg.
Peng, Roger. 2016. Exploratory Data Analysis with R. LeanPub.
Qiu, Yixuan, and authors/contributors of the included software. See file AUTHORS for details. 2021. Showtext: Using Fonts More Easily in r Graphs. https://CRAN.R-project.org/package=showtext.
Quinan, P. S., L. M. Padilla, S. H. Creem-Regehr, and M. Meyer. 2019. “Examining Implicit Discretization in Spectral Schemes.” Computer Graphics Forum 38 (3): 363–74. https://doi.org/10/ggb9nd.
Šavrič, Bojan, Tom Patterson, and Bernhard Jenny. 2019. “The Equal Earth Map Projection.” International Journal of Geographical Information Science 33 (3): 454–65. https://doi.org/10/cs8v.
Sharpe, Lindsay T, Andrew Stockman, Herbert Jägle, and Jeremy Nathans. 1999. “Opsin Genes, Cone Photopigments, Color Vision, and Color Blindness.” In Color Vision: From Genes to Perception, edited by T Gegenfurtner and Lindsay T Sharpe. Cambridge University Press.
Stauffer, Reto, Georg J. Mayr, Markus Dabernig, and Achim Zeileis. 2015. “Somewhere Over the Rainbow: How to Make Effective Use of Colors in Meteorological Visualizations.” Bulletin of the American Meteorological Society 96 (2): 203–16. https://doi.org/10/f3sttk.
Wand, M. P. 1997. “Data-Based Choice of Histogram Bin Width.” The American Statistician 51 (1): 59. https://doi.org/10/fvsfdb.
Wickham, Hadley. 2016. Ggplot2: Elegant Graphics for Data Analysis. Springer-Verlag New York. https://ggplot2.tidyverse.org.
Zeileis, Achim, Jason C. Fisher, Kurt Hornik, et al. 2019. colorspace: A Toolbox for Manipulating and Assessing Colors and Palettes. arXiv 1903.06490. arXiv.org E-Print Archive. http://arxiv.org/abs/1903.06490.