假定表格名称分别为b1,b2 ,b3,
data b;
merge b1 (keep= wy code price cvol rename=(price=price1 cvol=cvol1)) b2 (keep= wy code price cvol rename=(price=price2 cvol=cvol2)) b3 (keep= wy code price cvol rename=(price=price3 cvol=cvol3));
by wy code;
run;
当然， 做这个要先排序。

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