Add an iso3 column to a data set

Derives the ISO 3166-1 alpha-3 country code from the location_code column and adds it as a new column, modifying x in place. Currently all Norwegian location codes map to "nor".

Usage

add_iso3_to_data_set(x)

Arguments

x

A data.table containing a column named location_code.

Value

x, invisibly, with a new iso3 column containing the ISO 3166-1 alpha-3 country code (always "nor" for Norwegian locations).

Examples

library(data.table)
data <- data.table(location_code = c("nation_nor", "county_nor03", "blah"))
csdata::add_iso3_to_data_set(data)
print(data)
#>    location_code   iso3
#>           <char> <char>
#> 1:    nation_nor    nor
#> 2:  county_nor03    nor
#> 3:          blah    nor