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Principle component analysis (PCA) of the variables (China).
| Number | Value | Difference | Proportion | Cumulative value | Cumulative proportion | |
| The eigenvalues | ||||||
| Eigenvalues: (Sum = 5, Average = 1) | 1 | 1.7291 | 0.2446 | 0.3458 | 1.7291 | 0.3458 |
| 2 | 1.4845 | 0.7252 | 0.2969 | 3.2136 | 0.6427 | |
| 3 | 0.7594 | 0.0917 | 0.1519 | 3.9730 | 0.7946 | |
| 4 | 0.6677 | 0.3083 | 0.1335 | 4.6406 | 0.9281 | |
| 5 | 0.3594 | – | 0.0719 | 5 | 1 | |
Source: Author’s calculation.
