Table 6.
Discriminant analysis classification based on two-group (castrate, full males + females) analysis for complete bones and proximal and distal bone parts separately. The two most important variables identified by the model for separating the groups are in bold
| Element | Part | Measurements | Accuracy | F1-score | Balanced accuracy | p-value |
|---|---|---|---|---|---|---|
| Castrates v males + females | Castrates v males + females | Castrates v males + females | ||||
| Humerus | Complete | GLC, Bp, SD, BT, HT, DC, Dp, Dd | 77.4 | 58.8 | 71 | 0.283 |
| Humerus | Proximal | Bp, DC, Dp | 64.5 | 26.7 | 52 | 0.8391 |
| Humerus | Distal | Bd, BT, HT, HTC, Dd | 80.6 | 62.5 | 73.2 | 0.1613 |
| Radioulna | Complete | PL, Bp, Bd, Dd, Dp, LO, SDO | 84.4 | 70.6 | 79 | 0.0792 |
| Radioulna | Proximal | Bp, BFp, Dp, LO, SDO | 75 | 50 | 65.7 | 0,4334 |
| Radioulna | Distal | Bd, Dd | 81.2 | 66.7 | 76.8 | 0.1629 |
| Metacarpus | Complete | GL, Bp, Dp, SD, Bd, BDF, BA | 71.7 | 65.1 | 70.5 | 0.033 |
| Metacarpus | Proximal | Bp, Dp, BAp, DFp | 66 | 57.1 | 64.4 | 0.1647 |
| Metacarpus | Distal | Bd, BTm, BTl, DVm, DVl, BDF, BA, SDD | 83 | 80.9 | 83.5 | 0.0001 |
| Femur | Complete | GLC, Bp, DC, SD, Bd, Dd, BT | 69 | 30.8 | 55.4 | 0.7394 |
| Femur | Proximal | Bp, DC | 62.1 | 26.7 | 50.6 | 0.9234 |
| Femur | Distal | Bd, BT, Dd | 65.5 | 28.6 | 53 | 0.8504 |
| Tibia | Complete | PL, SD, Dd, Dp, BFp, BFd | 66.7 | 35.3 | 56.2 | 0.8364 |
| Tibia | Proximal | BFp, Dp | 63.6 | 25 | 50.7 | 0.9112 |
| Tibia | Distal | Bd, Dd, BFd | 66.7 | 26.7 | 52.8 | 0.8364 |
| Metatarsus | Complete | GL, Bp, Dp, SD, Bd, BDF, BA | 79.6 | 73.7 | 78.5 | 0.0049 |
| Metatarsus | Proximal | Bp, Dp, BAp, DFp | 73.5 | 66.7 | 72.5 | 0.0509 |
| Metatarsus | Distal | Bd, BTm, BTl, DVm, DVl, BDF, BA, SDD | 85.7 | 80 | 83.5 | 0.0002 |