=1 if married
annual salary, thousands $
years as professional player
age in years
years played in college
average games per year
average minutes per year
=1 if guard
=1 if forward
=1 if center
points per game
rebounds per game
assists per game
draft number
=1 if ever all star
minutes per game
log(wage)
=1 if black
=1 if has children
exper^2
age^2
marr*black