usa database contains the national boundaries of the United States, the
state database includes state boundaries, and the
county database includes all county boundaries. These maps are generated from US Department of the Census data; see the reference below for more information.
maps library. To make them available in your Spotfire S+ session, use the command
library(maps).
map("usa")
map("state")
map("county")
Becker, R.A. and Wilks, A.R. (1991). Maps in S. AT&T Bell Laboratories Statistics Research Report.
US Department of Commerce, Census Bureau. County Boundary File. Computer tape available from Customer Services: Bureau of the Census, Washington, D.C. 20233.
# load the maps library
library(maps)
map("state", fill=T, col=colors)