Print NA states
Created by: mkiang
Addresses https://github.com/hrbrmstr/statebins/issues/14 but I haven't tested it very thoroughly and requires the user to specify an NA label, but it might be preferable to do it another way...
Created by: mkiang
Addresses https://github.com/hrbrmstr/statebins/issues/14 but I haven't tested it very thoroughly and requires the user to specify an NA label, but it might be preferable to do it another way...