A comparison of regional boundaries, codes, and explanation for the change in a data frame, based on the Eurostat correspondence table.
regional_changes_2016
A data_frame:
The geographical code of the territory in the NUTS2013 definition
The geographical code of the territory in the NUTS2016 definition
Name of the territorial unit in the Eurostat database
Aggregation level, i.e. 0=national, 1,2,3 for smaller regions.
Change with the region, or 'unchanged'