SAS

[ckborn (鬼凰)]

data a;
input name$chi eng;
cards;
a1 80  100
a3 60  0
a2 100 90
run;

data b;
input name$chi eng;
cards;
a4 60 70
a5 20 50
a6 40 50
run;

proc sort data=a;
 by name;
run;

proc sort data=b;
 by name;
run;

data c;
merge a b;
 by name;
run;

proc means;
run;
proc print;
run;

--
※ 發信站: 批踢踢實業坊(ptt.cc) 
◆ From: 140.128.142.244
→ ckborn:e04 考試就是寫不出來 機車
推 rainston:="=:..............
推 alaso:我沒用到means......殘念ˊˋ
推 pey3: 怨念~怨念~我要去燒了他那ㄧ座300萬的鐵皮屋羽球場!!
推 alonefish:我來到資工板嗎= =a
推 ckborn:樓上脫節太久了喔~那是SAS拉
推 wbb:機車.....就是少那個means啦.......