NAICS - query NAICS codes and also see all children (subcategories) of any of those — naics2children • EJAM

Used by naics_find()

Usage

naics2children(codes, allcodes = EJAM::NAICS, quiet = FALSE)

Arguments

codes: vector of numerical or character
allcodes: Optional (already loaded with package) - dataset with all the codes
quiet: whether to avoid printing results to console

Value

vector of codes and their names

Details

Starts with shortest (highest level) codes. Since tied for nchar, these branches have zero overlap, so do each.
For each of those, get its children = all rows where parentcode == substr(allcodes, 1, nchar(parentcode))
Put together list of all codes we want to include so far.
For the next longest set of codes in original list of codes, do same thing.
continue until done for 5-digit ones to get 6-digit children.
Take the unique(allthat)

table(nchar(as.character(NAICS)))

2 3 4 5 6

17 99 311 709 1057

See also

naics_find() NAICS

Examples

  naics2children(211)
  naics_find(211, exactnumber=TRUE)
  naics_find(211, exactnumber=TRUE, add_children = TRUE)
  NAICS[211][1:3] # wrong
  NAICS[NAICS == 211]
  NAICS["211 - Oil and Gas Extraction"]