Table 2. RMSE of the best surrogate model for each cardiac effect and each sheep.

Subject	Number of sequences	RMSE
		${\widehat{y}}_{\Delta \text{RR}}$	${\widehat{y}}_{\Delta \text{PR}}$	${\widehat{y}}_{\raisebox{1ex}{$dP$}\!\left/ \!\raisebox{-1ex}{$dt\text{max}$}\right.}$
		(ms)	(ms)	(mmHg/ms)
Sheep 1	69	1.56	3.78	1.92
Sheep 2	75	1.59	2.22	2.39
Sheep 3	75	2.75	1.40	1.77
Sheep 4	71	5.01	1.24	3.54
Sheep 5	68	2.73	3.06	2.13
Sheep 6	75	1.93	1.01	1.31