比如说变量 x, x(-1)应该是x的lead。但是为什么在eviews 里面 x(-1)呈现的数据恰恰是x的滞后一期呢?请看数据,
| obs | X | X(-1) |
| 30/12/2007 | 10118.3 | |
| 6/01/2008 | 13473.9 | 10118.3 |
| 13/01/2008 | 15779.3 | 13473.9 |
| 20/01/2008 | 18865.1 | 15779.3 |
| 27/01/2008 | 20270.6 | 18865.1 |
| 3/02/2008 | 17248.2 | 20270.6 |
| 10/02/2008 | 13655.6 | 17248.2 |
| 17/02/2008 | 10718.9 | 13655.6 |
| 24/02/2008 | 10417.5 | 10718.9 |
| 2/03/2008 | 10056.1 | 10417.5 |
| 9/03/2008 | 15060.9 | 10056.1 |
| 16/03/2008 | 17908.1 | 15060.9 |
| 23/03/2008 | 17605.9 | 17908.1 |
| 30/03/2008 | 19628.5 | 17605.9 |
| 6/04/2008 | 16790.3 | 19628.5 |
| 13/04/2008 | 15961.2 | 16790.3 |
谢谢老师!!!


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