Table 5. K-nearest neighbours regression (KNN) methods: Hyperparameters’ domain and the corresponding tuned values at the data sets under consideration.

The K, P, in respect, represents the number of nearest neighbours and the value of P in the Minkowski distance metric.

method / data set	parameters
	K	P
KNN	{1, 2, …, 10}	[1, 5]
KNN at Demo	10	1.976
KNN at Fixation	10	1.214
KNN at IA	10	1.544
KNN at Demo-Fixation	9	1.042
KNN at Demo-IA	5	1.013