得到如下表格形式的
年份 | 实际值(对数值) | 预测值 | 误差值 | 误差百分比 |
1987 | 4.335459 | 4.337258 | -0.0018 | -0.04% |
1988 | 4.449101 | 4.45448 | -0.00538 | -0.12% |
1989 | 4.587108 | 4.472201 | 0.114907 | 2.50% |
1990 | 4.620945 | 4.664167 | -0.04322 | -0.94% |
1991 | 4.690797 | 4.76223 | -0.07143 | -1.52% |
1992 | 4.773731 | 4.836098 | -0.06237 | -1.31% |
1993 | 5.115836 | 4.993477 | 0.122358 | 2.39% |
1994 | 5.344199 | 5.395114 | -0.05092 | -0.95% |
1995 | 5.515443 | 5.565141 | -0.0497 | -0.90% |