Validate typology Parameter
validate_typology(typology)Currently the following typologies are supported:
"NUTS1", "NUTS2", "NUTS3" or "NUTS" for any of
the NUTS typologies. The technical typology "NUTS0"
can be used to translate Eurostat country codes to ISO 3166-1 alpha-2
country codes.
A boolean, logical variable if the typology in question exists, the typology parameter is valid.