pachadotdev
/ neighbors.R
Last active
September 13, 2017 20:47
— forked from andrewheiss/neighbors.R
Calculate which countries share a border
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| # Adapted from https://gist.githubusercontent.com/andrewheiss/926b9d60a26e29f6bf32/raw/a09ecbca4613381a782b93e8aeaa4132016205b7/neighbors.R | |
| # Map libraries | |
| # You must install geos (http://trac.osgeo.org/geos/) and | |
| # gdal (http://www.gdal.org/) first. | |
| # OS X: `brew install geos gdal` | |
| # Ubuntu: sudo apt-get install libgeos-dev libgdal-dev libproj-dev | |
| # Then install these packages from source | |
| # install.packages(c("rgeos", "rgdal"), type="source") |