元素 | F1 | F2 | F3 |
Cu | 0.866 | 0.198 | 0.019 |
Ni | 0.859 | 0.189 | −0.196 |
Cr | 0.819 | 0.261 | −0.316 |
Zn | 0.818 | 0.264 | 0.018 |
Mn | 0.771 | −0.053 | −0.079 |
Pb | 0.711 | 0.270 | 0.273 |
As | 0.670 | 0.060 | 0.369 |
W | 0.329 | 0.752 | −0.185 |
Au | 0.111 | 0.741 | −0.125 |
Hg | −0.075 | 0.683 | 0.387 |
Sb | 0.312 | 0.667 | 0.221 |
Mo | 0.227 | 0.003 | 0.798 |
Ag | −0.314 | 0.054 | 0.773 |
方差贡献率(%) | 36.541 | 17.845 | 14.144 |
累积方差贡献率(%) | 36.541 | 54.386 | 68.529 |