Displaying 1 result from an estimated 1 matches for "naicsrch".
2010 May 03
2
Hierarchical factors
...nal codes, biological
species, software types (R within statistical software within analytical
software), etc.
Such data structures commonly use hierarchical coding systems. For
example, the 2007 North American Industry Classification System (NAICS)
<http://www.census.gov/cgi-bin/sssd/naics/naicsrch?chart=2007>has twenty
two-digit codes (e.g., 42 = Wholesale trade), within each of these
varying numbers of 3-digit codes (e.g., 423 = Merchant wholesalers,
durable goods), then varying numbers of 4-digit codes (4231 = Motor
Vehicle and Motor Vehicle Parts and Supplies Merchant Wholesalers),...