type: cross-section
frequency: 1
startobs: 1
endobs: 1000

psechoice: no college = 1, 2 = 2-year college, 3 = 4-year college
hscath: = 1 if catholic high school graduate
grades: average grade on 13 point scale with 1 = highest
faminc: gross 1991 family income (in $1000)
famsiz: number of family members
parcoll: = 1 if most educated parent graduated from college or had an advanced degree
female: = 1 if female
black: = 1 if black
