sas123题中得question115:
data work.january;
set work.allmonths (keep=product month num_sold cost);
if month='jan'then output work.january;
sales=cost*num_sold;
keep=product sales;
run;
Which variables does the WORK.JANUARY data set contain?
为什么语法错误呢?

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楼主: 围炉吃瓜
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孜孜以求
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