指标 | 因子 | ||
F1 | F2 | F3 | |
Na+ | −0.022 | 0.755 | 0.317 |
K+ | 0.754 | 0.273 | −0.094 |
Mg2+ | −0.013 | −0.865 | 0.381 |
Ca2+ | 0.955 | 0.181 | −0.085 |
Cl− | 0.775 | −0.462 | −0.183 |
| 0.457 | 0.736 | 0.035 |
| −0.115 | 0.042 | 0.96 |
TDS | 0.956 | −0.027 | 0.172 |
合计 | 3.219 | 2.183 | 1.248 |
贡献率/% | 40.241 | 27.290 | 15.600 |
累计贡献率/% | 40.241 | 67.832 | 83.132 |