Table 5.
Functions obtained from stepwise discriminant analysis based on the morphometrics of the cranium, mandible, skull and scapula and their classification results for assigning gender.
| Bone | Variable | Function coefficients | Sex | Percentage of predictiona | Accuracy | Precision | |
|---|---|---|---|---|---|---|---|
| Male | Female | ||||||
| Cranium | CRL/CBL | 46.063 | Male | 87.5 | 12.5 | 81.8 | 82.2 |
| CaPMH/CRL | 25.906 | Female | 23.5 | 76.5 | |||
| PAW/PL | 22.616 | ||||||
| (Constant) | −43.972 | ||||||
| Mandible | CW/CL | 3.607 | Male | 88.9 | 11.1 | 78.4 | 79.7 |
| MH/MIML | 12.118 | Female | 31.6 | 68.4 | |||
| (Constant) | −23.604 | ||||||
| Skull | FW/BBC | 3.345 | Male | 100 | 0 | 96.7 | 96.9 |
| ZL/BBC | 17.915 | Female | 6.7 | 93.3 | |||
| CRL/CBL | −228.400 | ||||||
| CBL/IW | 76.844 | ||||||
| NCW/PA | 463.990 | ||||||
| CRW/PAW | 16.807 | ||||||
| IW/PAW | −42.485 | ||||||
| ZW/ZAL | 1292.776 | ||||||
| ZAL/ZW | 27.766 | ||||||
| MA1/MA2 | −47.992 | ||||||
| ML/MFH | 1.002 | ||||||
| MSW/MIML | −39.484 | ||||||
| DPL/MNW | −58.880 | ||||||
| (Constant) | −430.757 | ||||||
| Scapula | GCL/SW | 18.205 | Male | 70.21 | 29.79 | 68.1 | 68.1 |
| SA1/SNW | 1.580 | Female | 34.10 | 65.90 | |||
| (Constant) | −16.236 | ||||||
aCross-validation is done only for those cases in the analysis. In cross-validation, each case is classified by the functions derived from all cases other than that case.