search for: mapm

Displaying 1 result from an estimated 1 matches for "mapm".

Did you mean: map
2005 Oct 13
0
Maps package, coloration
I am having some trouble getting the colors correct on county maps using the maps package. I have a data.frame that contains coloration data for every county -- it also contains a variable 'mapm' which fits the 'state,county' format used in the mapping package. I use this to define colors from a range of 1:100. The problem is that the colors seem good for some states/counties, but random for others. It is almost as if the index has been scrambled, but I find that the orderi...