Table 3 Factor characteristic value and variance contribution rate
Factors | Characteristics | Variance contribution rate (%) | Cumulative contribution rate (%) |
|---|---|---|---|
F1 | 4.954 | 21.541 | 21.541 |
F2 | 2.327 | 10.116 | 31.657 |
F3 | 2.043 | 8.883 | 40.540 |
F4 | 1.594 | 6.930 | 47.470 |
F5 | 1.588 | 6.904 | 54.374 |
F6 | 1.406 | 6.114 | 60.488 |
F7 | 1.326 | 5.765 | 66.253 |