log file里显示的是怎么得出的。。。
140 data b1;
141 nsim = 1000;
142 n = 30;
143 do sim = 1 to nsim;
144 sum = 0;
145 do i = 1 to n;
146 z = rannor(12345);
147 sum = sum + z;
148 end; *end do i;
149 meanz = sum/n;
150 output;
151 end; *end sim;
152 run;
NOTE: The data set WORK.B1 has 1000 observations and 7 variables.
NOTE: DATA statement used (Total process time):
real time 0.01 seconds
cpu time 0.00 seconds
谢谢了!!



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