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The US SOC 1980 classification system can have higher level (major or minor codes) codes without any children. We extended the SOC 1980 classification system to require all major codes (2-digit code) to have at least 1 minor code (3-digit code ), and every minor codes to have at least 1 unit code (4-digit code). The most detailed code is now always a unit code.

Usage

soc1980_extended

Format

soc1980_code

the soc 1980 code

title

a short definition of the code

Level

the level of the soc 1980 code

parent

the parent of the soc 1980 code, note: at the division level, the parent is 0000

division

for any soc 1980 code, what is the division code

major

for any soc 1980 code, what is the major code. Is NA for division codes.

minor

for any soc 1980 code, what is the minor code. Is NA for division and major codes.

unit

for any soc 1980 code, what is the unit code. Is NA for non-unit codes.