A randomly shuffled and anonymized copy of income data from the NIMH Data
archive. The original file used was pdem02.txt The file was pre-processed
by the abcdutils package (https://github.com/BRANCHlab/abcdutils) function
get_income.
abcd_incomeabcd_income
A data frame with 300 rows and 2 columns:
The unique identifier of the ABCD dataset
Household income in 3 category levels (low = 1, medium = 2, high = 3)