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.