GM(1,1)模型检验表 | |||||
年份 | 原始值 | 预测值 | 残差 | 相对误差 | 级比偏差 |
2005 | 12000 | 12000.000 | 0.000 | 0.000% | - |
2006 | 13398 | 12465.134 | 932.866 | 6.963% | −0.010 |
2007 | 13653 | 14047.600 | −394.600 | 2.890% | −0.106 |
2008 | 14462 | 15830.961 | −1368.961 | 9.466% | −0.064 |
2009 | 18829 | 17840.723 | 988.277 | 5.249% | 0.134 |