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. 2022 Dec 9;15(1):3. doi: 10.1007/s12520-022-01696-y

Table 5.

Discriminant analysis classification based on two-group (castrate, full male) analysis for complete bones and proximal and distal bone parts separately. The two most important variables identified by the model for metric separation of the two groups are in bold

Element Part Measurements Accuracy F1-score Balanced accuracy p-value
Castrates v males Castrates v males Castrates v males
Humerus Complete GLC, Bp, SD, BT, HT, DC, Dp, Dd 76.5 77.8 76.4 0.0421
Humerus Proximal Bp, DC, Dp 76.5 77.8 76.4 0.0421
Humerus Distal Bd, BT, HT, HTC, Dd 58.8 58.8 59 0.4063
Radioulna Complete PL, Bp, Bd, Dd, Dp, LO, SDO 93.8 94.7 92.9 0.0014
Radioulna Proximal Bp, BFp, Dp, LO, SDO 87.5 88.9 87.3 0.0086
Radioulna Distal Bd, Dd 75 75 76.2 0.102
Metacarpus Complete GL, Bp, Dp, SD, Bd, BDF, BA 83.3 87.5 79.9 0.0036
Metacarpus Proximal Bp, Dp, BAp, DFp 66.7 76.9 59.7 0.3077
Metacarpus Distal Bd, BTm, BTl, DVm, DVl, BDF, BA, SDD 72.2 78.3 69.5 0.1143
Femur Complete GLC, Bp, DC, SD, Bd, Dd, BT 68.8 70.6 68.8 0.1051
Femur Proximal Bp, DC 56.2 53.3 56.2 0.4018
Femur Distal Bd, BT, Dd 75 75 75 0.0384
Tibia Complete PL, SD, Dd, Dp, BFp, BFd 61.1 66.7 61.1 0.2403
Tibia Proximal BFp, Dp 61.1 63.2 61.1 0.2403
Tibia Distal Bd, Dd, BFd 66.7 66.7 66.7 0.1189
Metatarsus Complete GL, Bp, Dp, SD, Bd, BDF, BA 78.8 82.1 77.8 0.0091
Metatarsus Proximal Bp, Dp, BAp, DFp 57.6 69.6 52.8 0.5731
Metatarsus Distal Bd, BTm, BTl, DVm, DVl, BDF, BA, SDD 69.7 73.7 69 0.1076