`qs9code` // major subject_code

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attributes

dataset	cfps2018 · 中国家庭追踪调查2018
type	`categorical`
role
data file
keywords

Coded values

code	meaning
`10`	medical
`12`	management
`2`	economics
`3`	law
`4`	education
`5`	literature
`6`	history
`7`	science
`8`	engineering
`9`	agriculture