现在做毕设，要把下面的两个步骤重复50次。不会做啦  求助求助。大侠们帮帮忙。拜托拜托啦。

proc surveyselect data=sim1 method=srs n=(7,22,36,48,54,70,41,3) seed=1953 out=b;
strata group;
run;

proc surveyreg data=b;
strata group;
model yC1=x /solution;
weight samplingweight;
estimate 'estimate of stratified random sampling'
         intercept 2000 x 2002511/e;
run;

下周老师就要看结果了。真捉急啊。