| F1 | F2 | F3 | F4 | F5 | F6 | F7 |
Correlation Degree | 0.7859 | 0.8449 | 0.7957 | 0.7831 | 0.7801 | 0.7858 | 0.7776 |
Order | 3 | 1 | 2 | 5 | 6 | 4 | 7 |