If you've ever zoomed around the globe with Google Earth, you know how much fun it can be to work with geospatial data. When I need a diversion, I often fire up Google Earth and float above the ...

See how easy it is to use the sf package for GIS calculations to find the ZIP code for an address in R Where do you vote? Who are you legislators? What is your ZIP code? These questions have something ...

James Gray continues his review of desktop Geographic Information System (GIS) applications with an introduction to the concepts needed to get started with the user-friendly, open-source Quantum GIS.