An example mapping of Iran and its provinces from 1950 to present day. The mapping accounts for province boundary changes over time.
iran_mappingA data.table with 47 rows and 2 columns:
parent: the aggregate location.
child: one of the constituent locations.
Each row in the data.table represents the relationship between Iran, its historical provinces, and present day provinces.
This mapping can be used for aggregating agg() or scaling scale() values.