Lookup table providing ONS and 'nomis' references for a given ONS boundary layer. The variables are as follows:
lookup
A data frame with 30 rows and 4 variables:
boundary layer, written in interpretable manner
corresponding boundary layer in the format that the 'ONS Open Geography' API will interpret
corresponding boundary layer in the format that the 'nomis' API will interpret
lookup file containing the constituency names and codes of the boundary layer