2021年4月2日
sas2
摘要： data axn;merge axn.stk000001(keep=date clpr rename=(clpr=clpr1)) axn.stk000002(keep=date clpr rename=(clpr=clpr2));by date;run;proc print; data prices 阅读全文
posted @ 2021-04-02 10:27 AnXiaoni 阅读(179) 评论(0) 推荐(0)
sas编程
摘要： data a;set sashelp.class;proc print; data scores; infile cards truncover; input name $1-10 sex $11 age 12-13; cards;Justine F12Bob M13;run; data;/*inp 阅读全文
posted @ 2021-04-02 09:30 AnXiaoni 阅读(242) 评论(0) 推荐(0)