主成分 Principal component | 特征值 Eigen value | 方差贡献率 Contribution rate of variance (%) | 累计方差贡献率 Contribution rate of cum-variance (%) |
1 | 2.215 | 31.637 | 31.637 |
2 | 2.040 | 29.138 | 60.775 |
3 | 1.662 | 23.743 | 84.517 |