Table 5.

Parameters of the generated model—age assessment for men.

Output-Training Metrics		Output-Validation Metrics		Prediction
frame size	0.750	frame size	0.250	frame size	Set Male
MSE	0.287638	MSE	144.669667	MSE	31.130858
RMSE	0.536319	RMSE	12.027870	RMSE	5.579503
Nobs	254	Nobs	69	Nobs	323
R2	0.999585	R2	0.833466	R2	0.957433
Mae	0.360654	Mae	9.627116	Mae	2.340177