Installing R and the R interface

R is cross-platform and can be run on Windows, Mac, or Linux. For our purposes, the Windows version will need to be installed so that the scripts can eventually be executed inside ArcGIS. The R installer will install both the 32-bit and the 64-bit versions. ArcGIS Desktop uses the 32-bit version, while ArcGIS Pro uses the 64-bit version. ArcGIS Desktop can use the 64-bit version if background geoprocessing is installed and the script has been configured for background geoprocessing.

Perform the following steps to install R for Windows:

1. Open a browser and go to http://cran.cnr.berkeley.edu.
2. Click on the Download R for Windows (http://cran.cnr.berkeley.edu/) link.
3. Click on the base link (http://cran.cnr.berkeley.edu/).
4. Click on Download R 3.3.3 for Windows. This will download an executable file (R-3.3.2-win.exe, for example).

The current version as of this writing is 3.3.2, but you...