Adds iso3 to a given data set
Examples
library(data.table)
data <- data.table(location_code = c("norge", "county03", "blah"))
csdata::add_iso3_to_data_set(data)
print(data)
#> location_code granularity_geo
#> <char> <char>
#> 1: norge nor
#> 2: county03 nor
#> 3: blah nor