Table 2.

Absolute prediction errors over the entire AL range for each formula

	Barrett Universal II	EVO	Hill-RBF	P
MAE	0.304	0.317	0.322	0.11
MedAE	0.243	0.255	0.268
Eyes within PE (%)
±0.25	51.94	49.03	47.57
±0.50	85.44	79.61	84.95
±0.75	95.15	94.66	94.66
±1.00	98.06	98.06	97.57

MAE=Mean absolute prediction error, MedAE=Median absolute prediction error, PE=Prediction error