zipcode

Try the following code which I modified from January at how do I map (on a geographical map) data in R just given the US Zipcodes: pdf(“myzipcodes.pdf”) library(maps) map(database=”usa”)# national boundaries library(zipcode) data(“zipcode”) myzips <- c(“22313″,”83701″,”32301”) selected <- zipcode[ zipcode$zip %in% myzips, ] points( selected$longitude, selected$latitude, pch= 19, cex= 2 ) text( selected$longitude, selected$latitude, selected$zip, … Read more