/*
** Lesson 2.2: File I/O
*/
output file = gpe\output2.2 reset;
load data[17,7] = gpe\longley.txt;
data = data[2:17,.]; 

PGNP = data[.,2];
GNP = data[.,3]/1000;
POPU = data[.,6]/1000;
EM = data[.,7]/1000;

X = PGNP~GNP~POPU~EM;
print X;
end;