Fig 1.
Sex and age distribution of the training dataset.
Fig 2.
Sex and age distribution of the testing dataset.
Fig 3.
Distribution by sex and age on PC1 and PC2.
Fig 4.
The examples of medial clavicles of younger persons located at the third and fourth quadrants of Fig 3 (shades of blue).
Fig 5.
The examples of medial clavicles aged 40–55 years located in the second quadrant of Fig 3 (shades of green).
Fig 6.
The examples of medial clavicles of persons older than 80 years on Fig 3 (shades of yellow).
Table 1.
The classification performance of models on the cross-validation sample with pp = 0.5.
Fig 7.
SVM–incorrectly classified clavicles on cross-validation sample with pp = 0.5.
Fig 8.
LR—incorrectly classified clavicles on cross-validation sample with pp = 0.5.
Fig 9.
NNI—SGD—incorrectly classified clavicles on cross-validation sample with pp = 0.5.
Table 2.
Performance of the classification models on test sample (n = 40) with pp = 0.5.
Fig 10.
Incorrectly classified clavicles in test samples with SVM, LR, and NNI–SGD.
Table 3.
Classification performance of models on cross-validation sample with pp = 0.95.
Fig 11.
SVM, LR, and NNI–SGD—incorrectly classified clavicles on cross-validation sample with pp = 0.95.
Table 4.
Classification performance of the models on test sample (n = 40) with pp = 0.95.