| 元素 | 样本量 | 改进前的精确度(%) | 改进后的精确度(%) | |
| 训练集 | 测试集 | |||
| Zn | 579 | 193 | 98.96 | 96.89 |
| As | 579 | 193 | 96.89 | 96.89 |
| Cr | 579 | 193 | 100 | 82.38 |
| Cu | 579 | 193 | 97.41 | 100 |
| Ni | 579 | 193 | 89.12 | 97.41 |
| Pb | 579 | 193 | 97.41 | 95.85 |
| Co | 579 | 193 | 74.09 | 93.26 |
| 平均精确度 | 93.41 | 94.67 | ||
| 最大精确度 | 12.530601 | 9.437811 | ||