State code
Congr district
Dem vote share minus .5
Dem Won Race
Log fed expenditure in district
Incumbent
Voting Age Population
Voting Age Population Share
Population
Black Population Share
Blue-collar Population Share
Farmer Population Share
Fed Worker Population Share
Foreign Born Population Share
Manufactur Population Share
Unemp Population Share
Unionized Population Share
Urban Population Share
Veteran Population Share
Log federal expenditure for RD example