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Roger Simon Bivand (born 5 April 1951) is a British geographer, economist and professor at the Norwegian School of Economics. He specialises in open source software for spatial analysis, and played a major role in developing functions for spatial data in the R statistical programming language, including the R packages sp, rgdal, maptools and rgrass7. His book Applied Spatial Data Analysis with R (2008), coauthored with and , is considered "the authoritative resource on R's spatial capabilities".