- proc sql;
- create table Smooth_stk as
- select a.stk, a.date, (b.price) as Ave_price
- from Stock as A left join Stock as B
- on a.stk=b.stk and b.date between a.date-60 and a.date
- group by a.stk, a.date;
- quit;
楼主: iittala
|
2547
5
请问各位如何SAS里求股票指数的均线啊,弄了好久了... |
大专生 11%
-
|
|
| ||
| ||
| ||
| ||
京ICP备16021002-2号 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