Allaire, J., Xie, Y., McPherson, J., Luraschi, J., Ushey, K., Atkins, A., Wickham, H., Cheng, J., Chang, W., & Iannone, R. (2020). rmarkdown: Dynamic Documents for R.
ESRI. (2020). ArcMap: Shapefile file extensions. Retrieved March 9, 2021, from
IOGP Geomatics Committee (2021). EPSG Geodetic Parameter Dataset. Retrieved April 5, 2021, from
Lovelace, R., Nowosad, J., & Jannes, M. (2021). Geocomputation with R. index.html
MapTiler Team (2019)., Coordinate Systems Worldwide. Retrieved April 5, 2021, from
National Geodetic Survey. (2018). North American Datum of 1983. Retrieved March 9, 2021, from
Neuwirth, E. (2014). RColorBrewer: ColorBrewer Palettes
Pebesma, E. (2018). Simple Features for R: Standardized Support for Spatial Vector Data. The R Journal, 10(1), 439–446. doi: 10.32614/RJ-2018-009
Pebesma, E., & Bivand, R. (2021). Spatial data science with applications in R.
R Core Team. (2020). R: A Language and Environment for Statistical Computing. R Foundation for Statistical Computing.
Reger, J. P. (2013). Maryland Geological Survey: A user’s guide to Maryland coordinate system. Retrieved April 6, 2021, from
Schauberger, P., & Walker, A. (2020). openxlsx: Read, Write and Edit xlsx Files.
Tennekes, M. (2018). tmap: Thematic maps in R. Journal of Statistical Software84(6), 1–39. doi: 10.18637/ jss.v084.i06
United Nations General Assembly (2015). Resolution 70/1. Transforming our world: The 2030 Agenda for Sustainable Development.
U.S. Census Bureau. (2019). Glossary. Retrieved April 5, 2021, from
U.S. Department of Agriculture. (2009). Access to affordable and nutritious food: Measuring and understanding food deserts and their consequences.
Ver Ploeg, M., Nulph, D., & Williams, R. (2011). Mapping food deserts in the United States. Retrieved April 5, 2021, from
Wickham, H., & Henry, L. (2020). tidyr: Tidy Messy Data
Wickham, H., François, R., Henry, L., & Müller, K. (2020). dplyr: A Grammar of Data Manipulation.
Xie, Y., Allaire, J. J., & Grolemund, G. (2018). R Markdown: The definitive guide. Chapman; Hall/CRC.
Xie, Y., Dervieux, C., & Riederer, E. (2020). R Markdown Cookbook. Chapman; Hall/CRC.


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Spatial Analysis and Mapping with R: A Short Tutorial Copyright © 2021 by Wolf T. Pecher is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License, except where otherwise noted.