Table 2.

Explored classifier architectures

Classifier	Parameters	Values
MLPI	number of hidden layers	1
	number of neurons in the hidden layer:	even numbers in [6,28]
MLPII	number of hidden layers	2
	number of neurons:
	– first hidden layer	even numbers in [6,28]
	– second hidden layer	half the number of neurons of the first layer
LVQNN	number of neurons in the hidden layer	even numbers in [6,28]
RBFNN	spread value	powers of two with integer exponents in [-1,15]
PNN	spread value	powers of two with integer exponents in [-1,15]
k-NN	number of neighbors	integers in [1,15]