isco88_3_to_isco88_1() -- Translate 3-digit ISCO-88 to 1-digit ISCO-88

Syntax

isco88_3_to_isco88_1(varname)

where varname contains 3-digit ISCO-88 codes.

Description

crosswalk table translating 3-digit ISCO-88 codes (minor groups)
to 1-digit ISCO-88 codes (major groups).

Source

isco88_3_to_isco88_1() is implemented as a wrapper for
isco88_3_to_isco88_2() followed by
isco88_2_to_isco88_1().

.isco88_3_to_isco88_2
.isco88_2_to_isco88_1