OPTIONS LS=75 PS=45; * each of you should use a different seed to start the ; * random number sequence (see argument in Rannor function); * I use odd 7 digit numbers; DATA a; sigmaF = 1; sigmaC=1; DO dataset = 1 to 1000; DO trueC = 14 to 20 by 2; observdC = trueC; observdF = Round( 32 + 1.8*trueC + sigmaF*Rannor(12343257), 0.01); OUTPUT; END; END; PROC SORT DATA=a; BY dataset; PROC reg outest=estim8s NOPRINT; BY dataset; MODEL observdF = observdC; /* Proc Print data=estim8s; for testing */ PROC means data=estim8s; RUN;