t1
| t2 | t3 | t4 |
| -0.0135 | -0.0629 | 0.0364 | -0.0406 |
| -0.0443 | -0.0861 | 0.087 | -0.0124 |
| 0.0927 | -0.0468 | 0.089 | 0.0324 |
| -0.0199 | -0.0617 | 0.1312 | -0.0152 |
| 0.0314 | -0.1049 | -0.0737 | -0.0045 |
| -0.0367 | -0.1254 | -0.0078 | 0.0215 |
| -0.0292 | -0.1817 | 0.0431 | 0.0383 |
| 0.0141 | 0.0108 | 0.0143 | -0.0235 |
| 0.0139 | 0.0302 | 0.0399 | 0.0192 |
| -0.0106 | -0.0946 | 0.1088 | 0.0011 |
| 0 | 0 | 0 | 0 |
| -0.0401 | -0.0358 | -0.0397 | 0.0152 |
| -0.1493 | -0.152 | -0.0207 | 0.0845 |
| 0.0117 | -0.0924 | -0.1379 | 0.075 |
| -0.02 | -0.1023 | 0.054 | 0.0364 |
| 0.0062 | -0.0661 | 0.0554 | 0.0313 |
| -0.0024 | -0.1479 | -0.0108 | 0.0332 |
| -0.1075 | -0.168 | 0.0618 | 0.1005 |
| -0.0009 | -0.1234 | -0.0804 | -0.0564 |
| 0.0328 | -0.2066 | 0.0186 | 0.0127 |
| -0.0614 | -0.1264 | -0.0845 | 0.041 |
想用SAS解决循环回归问题,数据如上所示,比如他t4对t3回归, t3对t2回归,t2对t1回归;
请问如何用SAS程序来做个循环,解决问题呢?
请大家帮助一下!