Re: [R] Comparing to create a new list

2012-06-21 Thread RobertDavis
So I got this to work and thought that I should post it, in case it might help someone else: library(maptools) library(maps) elem_school_district <- readShapePoly("E:/My Documents/Web Usage/RTest/School_District_Shape_Files/Elementary School Districts/unzipped/tl_2010_47_elsd10.shp", IDvar="N

[R] Comparing to create a new list

2012-06-19 Thread RobertDavis
I have a shape file that I have read into R. It is a US Census shape file that has a code for each school district in a state. I now want to create a vector of the districts that are not customers and plot them. library(maptools) library(maps) elem_school_district <- readShapePoly("E:/My Documen