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The proportion and eigenvalue of the Principal Component Analysis
| PC | Eigenvalue | Contribution ratio /% | Total contribution ratio /% |
|---|---|---|---|
| PC1 | 5.428 | 23.514 | 23.514 |
| PC2 | 3.567 | 15.670 | 39.184 |
| PC3 | 2.513 | 10.053 | 49.237 |
| PC4 | 2.411 | 9.644 | 58.881 |
| PC5 | 2.365 | 9.575 | 68.456 |
| PC6 | 1.924 | 7.607 | 76.063 |
| PC7 | 1.815 | 7.270 | 83.333 |
| PC8 | 1.577 | 6.305 | 89.638 |
