I'm working with the nationwide county maps data, and trying to remove the internal county boundary lines. The only map() function parameter that I've found that gets me anywhere close to my desired result leaves small white segments on parts of the map. I believe this is due to the low resolution, because when I look at individual states, the lty parameter solves the problem. Does anyone have any idea how I might draw a United States county map without these white borders making the map look sloppy?
library(maps) #county map of new jersey, with invisible county borders -- correct example map("county","new jersey", fill=TRUE , col=palette() , lty=0) #county map of the united states, with white county borders still visible some places map("county", fill=TRUE , col=palette() , lty=0) Thanks [[alternative HTML version deleted]] ______________________________________________ Rfirstname.lastname@example.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.