[R-sig-Geo] assigning densities to polygons & chloropleth maps

[karengrace84]

I am looking at fish tagging data throughout the state of Louisiana. I have a
shapefile of the state divided into 480 polygons, and I would like to make a
chloropleth map by number of fish tagged in each polygon. Just wondering
what the best way to do this is.

I have no problem assigning all of the tag locations (gps points) to their
designated polygon. But I am not sure how to proceed from there. 

ggplot looks to be the best way to create the graph, but I don't know how to
get my data in the correct format for that function. 

Any guidance is much appreciated!



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