[程式] SAS 兩個檔案合併
[軟體程式類別]: SAS
[程式問題]:檔案合併
[軟體熟悉度]:
低(1~3個月)
[問題敘述]:
假設目前一個檔案是
data x;
input id $ score;
cards;
a 85
a 60
b 90
c 87
c 100
c 75
;
另一個檔案是只有篩好的id檔
data y;
input id $ point;
cards;
b 1
c 2
;
想做出合併後 data z的結果是
b 90 1
c 87 2
c 100 2
c 75 2
語法該如何寫呢?
註:data b中的id非常多筆,無法用逐筆key ^^"
謝謝大家 :)
[程式範例]:
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