Research Article
An Improved Metabolism Grey Model for Predicting Small Samples with a Singular Datum and Its Application to Sulfur Dioxide Emissions in China
Table 1
Fitting and prediction results of the GM
.
| | Original data sequence | Modeling data sequence | Fitting and prediction values | Residual errors | Relative errors (%) |
| | 4 | 4 | 4 | 2.6539 | 0 | | 6 | 6 | 3.3460 | 3.5454 | 44.2330 | | 9 | 9 | 5.4545 | 3.8919 | 39.3935 |
| | 5 | 5 | 8.8919 | 5.7546 | 77.8382 |
| | 20.25 | 20.25 | 14.495 | 6.7450 | 28.4180 | | 30.375 | — | 23.6299 | 7.0416 | 22.2059 | | 45.5625 | — | 38.5208 | 5.5480 | 15.4548 | | 68.34375 | — | 62.7957 | 2.6539 | 8.1178 |
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