Re: [R] Building US maps in R

Hi DD, if you have a .shp file (which in principal should exist of the kind of map your describing) you can load into R using this packages: http://r-spatial.sourceforge.net/ In addition, there is also the R-Geo list which is much more suited for this kind of questions:

[R] Building US maps in R

Hi, I'm trying to build some maps of the US by county that will have the following characteristics: Feature/Map Map 1 Map2 Both Broken out by county Yes Yes Yes Heatmaps of US Census Data for income by county Yes No Yes