Re: [R] mapping lat and long with maps package

Well, you're the one who offered code without designating what libraries were loaded or required. Here's my sessionInfo, ... what's yours? > sessionInfo() R version 2.8.1 Patched (2009-01-07 r47515) i386-apple-darwin9.6.0 locale: en_US.UTF-8/en_US.UTF-8/C/C/en_US.UTF-8/en_US.UTF-8 attached

Re: [R] mapping lat and long with maps package

When I run this code i get the following error messages Error in mapgetg(database, gon, as.polygon, xlim, ylim) : NA/NaN/Inf in foreign function call (arg 6) In addition: Warning messages: 1: In min(x, na.rm = na.rm) : no non-missing arguments to min; returning Inf 2: In max(x, na.rm = na.rm)

Re: [R] mapping lat and long with maps package

The example on the help page would seem to be completely on point if I understand your desire to be plotting text at particular long,lat coordinates: ?map text(long, lat, "text") # data(ozone) map("state", xlim = range(ozone$x), ylim = range(ozone$y)) text(ozone$x, ozone$y, ozone$median) bo

[R] mapping lat and long with maps package

I am trying to overlay a data frame with lat and longitude(which refer to zip codes) on the map of US that I get by using map ("states"). Is there anyway to do this or do I have to resort to using maptools? thank you [[alternative HTML version deleted]] __