Creates a map displaying the home ZIP codes reported by anglers during creel
interviews, conveying the geographic range and density of angler origin for a
given fishery.
Usage
plot_zipcodes(data, type = "wa")
Arguments
- data
list, creel dataset where interviewed anglers provided their home
zip codes (expects data$interview$zip_code).
- type
character, map extent. Either "wa" (default) or "us".
Case-insensitive.
