Table 2.
Results of principal component analysis for input and output data.
| PC1 | PC2 | PC3 | PC4 | PC5 | PC6 | PC7 | PC8 | PC9 | PC10 | PC11 | PC12 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Input | ||||||||||||
| Std. deviation | 2.22 | 1.5 | 1.20 | 0.88 | 0.77 | 0.63 | 0.59 | 0.5 | 0.18 | 0.05 | 0.00 | - |
| Proportion | 0.45 | 0.20 | 0.13 | 0.07 | 0.05 | 0.04 | 0.03 | 0.02 | 0.00 | 0.00 | 0.00 | - |
| Cum. prop. | 0.45 | 0.65 | 0.78 | 0.85 | 0.91 | 0.94 | 0.97 | 1.0 | 1.0 | 1.0 | 1.0 | - |
| Output | ||||||||||||
| Std. deviation | 1.97 | 1.44 | 1.32 | 1.18 | 0.92 | 0.89 | 0.72 | 0.65 | 0.44 | 0.33 | 0.11 | 0.07 |
| Proportion | 0.32 | 0.17 | 0.15 | 0.12 | 0.07 | 0.07 | 0.04 | 0.04 | 0.02 | 0.01 | 0.0 | 0.0 |
| Cum. prop. | 0.32 | 0.5 | 0.64 | 0.76 | 0.83 | 0.90 | 0.94 | 0.97 | 0.99 | 1.0 | 1.0 | 1.0 |