data a1; generator = 1; infile 'C:\temp\ramdomAnalysis\random06JUN2007_1.bin' recfm=n; input value PIB1. @@; run; data a2; generator = 2; infile 'C:\temp\ramdomAnalysis\random06JUN2007_2.bin' recfm=n; input value PIB1. @@; run; data a3; generator = 3; infile 'C:\temp\ramdomAnalysis\random06JUN2007_3.bin' recfm=n; input value PIB1. @@; run; data all; set a1 a2 a3; run; proc tabulate data=all; class generator value; table value, generator; run; *proc univariate data=all plot; *var value; *by generator; *run; *proc arima data=all; * by generator; * identify var = value; *run;