发帖
雷达卡
data sasuser.qiang_pom3;
set sasuser.qiang_pom3;
by hotel_id customer_id;
lag_author_rating = lag(review_rate_hotel);
repeatreview = 1;
if first.customer_id then do;
lag_author_rating = 0;
repeatreview = 0;
end;
run;
|
楼主: hitdumingming
|
1159
4
请问这段代码是什么意思？谁能帮我解答解答啊 |
|
硕士生 25%
-
|
| ||
|
|
 |
| |
|
Be still, my soul: the hour is hastening on
When we shall be forever with the Lord. When disappointment, grief and fear are gone, Sorrow forgot, love's purest joys restored. |
||
 |
| |
加好友,备注cda京ICP备16021002号-2 京B2-20170662号
京公网安备 11010802022788号
论坛法律顾问：王进律师
知识产权保护声明
免责及隐私声明
