Standardize country names, convert them into one of eleven coding schemes, convert between coding schemes, and assign region descriptors.
copied from cf-staging / r-countrycodeconda install conda-forge::r-countrycode
conda install conda-forge/label/cf201901::r-countrycode
conda install conda-forge/label/cf202003::r-countrycode
conda install conda-forge/label/gcc7::r-countrycode