view视图
libname saslib "k:\sas";
data saslib.testview4/view=saslib.testview4;
set saslib.test4;
run;
proc print data=saslib.test4 noobs label;
run;
proc sql;
select testview4.id as 学号 ,testview4.score as 成绩 fromsaslib.testview4;
quit;
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output使用程序数据向量，将观测写入数据集
data goods1 goods2;
input name$ price;
if price ge 29 then output goods1;
else outputgoods2;
datalines;
鼠标 35.6
键盘 28.95
鼠标垫 8.2
耳麦 29.7
;
run;
proc print data=goods1;
title "单价>=29";
run;
proc print data=goods2;
title "单价<29";
run;