Metric | Criterion | |||||
---|---|---|---|---|---|---|
 | C1: Practical use | C2: Dependence on parameters / assumptions | ||||
 | Attainable range | Interpretation for joint movement | Sensitivity to |  | ||
 |  |  | P | C Direction | C Speed |  |
Prox | Yes | From always distant (0) to always close (1) | High | Low | Low | User tractable (ad hoc definition of distance threshold) |
Cs | No | Difficult: i) negative value close to 0 difficult to interpret; ii) series-length dependent | Medium | Medium | Low | Not user tractable (null hypothesis of independent movement) |
HAI | Yes | From always distant and out of SAB at least for one individual (0) to always close and in SAB (1) | Low | Low | Medium | Not user tractable (reference area and distance threshold) |
L ixn T | Yes | Same as HAI | Low | Low | Medium | Not user tractable (reference area) |
j P P A | Yes | From no (0) to permanent (1) potential overlap | High | Low | Low | User tractable (maximum velocity) |
C S E M | Yes | From highly synchronous (0) to asynchronous (1) | High | Low | Low | User tractable (distance threshold) |
r V | Yes | From anticorrelated (-1) to correlated (1) | Low | High* | High* | No dependence |
D I d | Yes | From opposite (-1) to cohesive (1) movement in displacement | Low | Low | High | User tractable (weighting coefficient for similarity in displacement) |
D I θ | Yes | From opposite (-1) to cohesive (1) movement in azimuth | Low | High | Low | No dependence |
DI | Yes | From opposite (-1) to cohesive (1) movement in both mixed displacement and azimuth effects | Low | High | Low | User tractable (weighting coefficient for similarity in displacement) |