主成分分析 |
| Pearson’s相关性分析 | ||||||||
元素 | PC1 | PC2 | PC3 |
| HMs | As | Pb | Hg | Cr | Cd |
As | 0.558 | −0.632 | 0.130 |
| As | 1 |
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Pb | 0.827 | −0.093 | 0.199 |
| Pb | 0.422** | 1 |
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Hg | 0.051 | 0.017 | 0.978 |
| Hg | 0.101 | 0.170* | 1 |
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Cr | 0.202 | 0.844 | 0.067 |
| Cr | −0.184* | 0.100 | 0.012 | 1 |
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Cd | 0.736 | 0.254 | −0.133 |
| Cd | 0.108 | 0.358** | 0.036 | 0.122 | 1 |
特征值 | 1.665 | 1.176 | 0.962 |
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贡献值/% | 31.63 | 23.72 | 20.69 |
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累积贡献值/% | 31.63 | 55.35 | 76.04 |
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