=1 if female
% high school rank; 100 = best
=1 if Bachelor's degree
=1 if Associate's degree
=1 if African-American
=1 if Hispanic
ID Number
total (actual) work experience
total 2-year credits
total 4-year credits
log hourly wage
total standardized test score
=1 if small city, 1972
=1 if med. city, 1972
=1 if suburb med. city, 1972
=1 if large city, 1972
=1 if suburb large city, 1972
=1 if very large city, 1972
=1 if sub. very lge. city, 1972
=1 if northeast
=1 if north central
=1 if south
jc + univ