摘要：data a;set sashelp.class;proc print; data a1;Array simple{3};/*simple1 simple2 simple3*/proc print; data a1;Array simple{3} red green yellow;proc prin 阅读全文

摘要：data a;set sashelp.class;keep name sex age;rename name=nam;proc print; data b;set sashelp.class;retain max_age 0;if age>max_age then max_age=age;proc 阅读全文

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

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