Table 8.
Kendall tau rank correlation coefficients for the four indices
| Equal | Normative | Hybrid | Data-driven | |
|---|---|---|---|---|
| Equal | 1 | |||
| Normative | 0.99 | 1 | ||
| Hybrid | 0.83 | 0.84 | 1 | |
| Data-driven | 0.70 | 0.70 | 0.66 | 1.00 |
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