最近在作毕业论文的实证分析,不懂检验以下两组数据的平稳性,自己看书尝试过,但不成功,请各位高手,帮帮手!
| 消除物价影响后的净值 |
| 年份 | 货物 | 服务 |
| 1994 | 1612.939 | -214.395 |
| 1995 | 3652.663 | -3615.43 |
| 1996 | 3587.497 | -2648.52 |
| 1997 | 7743.027 | -569.394 |
| 1998 | 7276.46 | -433.5 |
| 1999 | 5203.401 | -772.101 |
| 2000 | 4592.553 | -746.153 |
| 2001 | 4193.882 | -731.22 |
| 2002 | 4970.739 | -763.387 |
| 2003 | 4542.144 | -871.971 |
| 2004 | 5434.168 | -893.579 |
| 2005 | 11121.9 | -778.348 |
| 2006 | 16149.67 | -655.195 |
| 2007 | 20653.7 | -517.682 |
| 2008 | 21687.33 | -710.24 |
请好心人指教一下!