Research Article
Sex Determination of Three-Dimensional Skull Based on Improved Backpropagation Neural Network
Table 5
Comparison between the BPNN and other classification models.
| | | Classification method | % of skull accuracy classified | | M | F | Mean |
| | Multivariate | BPNN (6 variables: CSA, CSC, ASA, ASC, OSA, and OSC) | 96.764 | 96.764 | 96.764 |
| | Univariate | Discriminant analysis (CSA) | 78.5 | 78.1 | 78.3 | | Discriminant analysis (CSC) | 77.8 | 76.5 | 77.2 | | Discriminant analysis (ASA) | 75.3 | 73.9 | 74.6 | | Discriminant analysis (ASC) | 75.1 | 71.6 | 73.4 | | Discriminant analysis (OSA) | 74.9 | 76.1 | 75.5 | | Discriminant analysis (OSC) | 74.7 | 75.4 | 75.1 |
| | Multivariate | Discriminant analysis (6 variables: CSA, CSC, ASA, ASC, OSA, and OSC) | 87.8 | 88.4 | 88.1 | | Logistic regression (6 variables: CSA, CSC, ASA, ASC, OSA, and OSC) | 89.6 | 91.2 | 90.4 |
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