| Interaction detector | ||||||||
| 
 | X1 | X2 | X3 | X4 | X5 | X6 | X7 | X8 | 
| X1 | 0.612 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
| X2 | 0.635 | 0.489 | 
 | 
 | 
 | 
 | 
 | 
 | 
| X3 | 0.877 | 0.805 | 0.556 | 
 | 
 | 
 | 
 | 
 | 
| X4 | 0.955 | 0.947 | 0.948 | 0.942 | 
 | 
 | 
 | 
 | 
| X5 | 0.802 | 0.799 | 0.839 | 0.953 | 0.756 | 
 | 
 | 
 | 
| X6 | 0.805 | 0.746 | 0.684 | 0.968 | 0.861 | 0.390 | 
 | 
 | 
| X7 | 0.710 | 0.616 | 0.703 | 0.957 | 0.786 | 0.784 | 0.376 | 
 | 
| X8 | 0.963 | 0.958 | 0.962 | 0.964 | 0.959 | 0.980 | 0.958 | 0.936 |