Table 2.
Eigenvalues of the related matrices
| Component | Eigenvalues | Contribution rate (%) | Cumulative contribution rate (%) |
|---|---|---|---|
| 1 | 1.479 | 26.467 | 24.647 |
| 2 | 1.126 | 18.771 | 43.418 |
| 3 | 1.049 | 17.478 | 60.897 |
| 4 | 0.966 | 16.094 | 76.991 |
| 5 | 0.838 | 13.959 | 90.949 |
| 6 | 0.543 | 9.051 | 100.00 |