data e; filename e 'spain82.dat'; infile e; length province $ 25; input seats 1-2 party $ votes province numelec vemitido validos mag; *seats = n of seats won by this party in this province; *votes = n of votes won by this party in this province; *numelec = n of electors in this province; *vemitido = n of ballots cast in this province; *validos = n of valid ballots cast in this province; *mag = district magnitude, n of seats available in this province; if seats=. then seats=0; run;