TABLE 7.
Necessity analysis.
| Conditional indicator | Consistency | Coverage |
| R1 | 0.875000 | 0.777778 |
| ∼R1 | 0.125000 | 0.333333 |
| R2 | 0.625000 | 0.625000 |
| ∼R2 | 0.375000 | 0.750000 |
| R3 | 0.875000 | 0.933333 |
| ∼R3 | 0.125000 | 0.222222 |
| R4 | 0.500000 | 0.571429 |
| ∼R4 | 0.500000 | 0.800000 |
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