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R : Copyright 2005, The R Foundation for Statistical Computing
Version 2.1.1 (2005-06-20), ISBN 3-900051-07-0
R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under certain conditions.
Type 'license()' or 'licence()' for distribution details.
R is a collaborative project with many contributors.
Type 'contributors()' for more information and
'citation()' on how to cite R or R packages in publications.
Type 'demo()' for some demos, 'help()' for on-line help, or
'help.start()' for a HTML browser interface to help.
Type 'q()' to quit R.
> # library(sp)
> # library(maptools)
> # data(ncshp)
> # nc1 <- as.SpatialPolygons.Shapes(nc.shp$Shapes, as.character(nc.shp$att.data$FIPS))
> # df <- nc.shp$att.data
> # rownames(df) <- as.character(nc.shp$att.data$FIPS)
> # identical(rownames(df), sapply(slot(nc1, "polygons"), function(i) slot(i, "ID")))
> # nc <- SpatialPolygonsDataFrame(nc1, df)
> #
> # nc$X = factor(sample(1:5,100,replace=T),labels=letters[1:5])
> # nc$Y = factor(sample(1:5,100,replace=T),labels=letters[6:10])
> # spplot(nc, c("X","Y"))
>
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