Table 3.

Scores for the regression task.

		R2	Mean Absolute Error	Mean Squared Error	Root Mean Squared Deviation	Mean Signed Difference
Proximal BMD	RF	0.634	0.017	0.001	0.026	−0.004
	GB	0.539	0.018	0.001	0.029	−0.007
Distal BMD	RF	0.591	0.02	0.001	0.029	0.002
	GB	0.621	0.016	0.001	0.024	−0.004

RF = Random Forests, GB = Gradient Boosting.