Changes

There are many possible 'culture' based classes that one might want to use. At the finest grained level (and in the most ambitious case), one might want to predict actual countries of origin (note that [[UN GeoRegion Codes | standardized country names are provided by the United Nations]]). At all more course-grained levels, countries must be aggregated into meaningful units.  Commonly used meaningful aggregations include:#[[UN Geo Regions| UNGeoRegion Codes]])#A language development based aggregation