choropleth

Hello all, I'm trying to create a choropleth plot to show iguana population data on a map of the Galapagos. I have installed choroplethr, maps, mapdata, RNetCDF and choroplethrAdmin1. Using: > head(get_admin1_regions("ecuador")) country region 849...

So I have a data set with the number of violent crimes known to police in various counties in Ohio since 1990 (the file is attached). Making the dataset (from now on, I'll refer to it as OH) readable in R was enough of a task for me and now figuring out how to make a choropleth is making me...