A data frame containing 1002 rows and 7 variables measured on various scales,
including binary and ordered cateogrical (with varying numbers of categories).
There are also missing values in each variable
Inc
Income of the respondent in 1000s of dollars, binned into 21 ordered categories.
DEG
Highest degree ever obtained (none, HS, Associates, Bachelors, or Graduate)
CHILD
Number of children ever had.
PINC
Financial status of respondent's parents when respondent was 16 (on a 5-point scale).
PDEG
Maximum of mother's and father's highest degree
PCHILD
Number of siblings of the respondent plus one
AGE
Age of the respondent in years.