I've imported a shapefile into R, and joined it to a table. My shapefile contains all the census ids, while my table only contains selected census ids. I'm now trying delete all the rows didn't get a ...
Is there a browser/management view in QGIS 1.8 so that I can manipulate shapefiles and others (such as geo tiffs, etc.) like in ArcCatalog? Maybe a plugin? Right now I have to use my system's file ...
Does anyone know of scripts for merging TIGER/Line shp files? It is for extracting the road features only, but for the whole of USA. They are provided as shp files for one county at a time here: ...