=1 if married
annual salary, thousands $
years as a professional player
age in years
years playing at college
average games per year
minutes per season
=1 if guard
=1 if forward
=1 if center
points per game
rebounds per game
assists per game
draft number
all-star player
minutes per game
natural log of wage
=1 if black
=1 if has children
exper^2
age^2
marr*black