Improved Extension Neural Network and Its Applications

Table 2

Comparison of the classification performance of various neural networks.

ANN model	Structure	No. of training data	No. of connections	Learning speed (epochs)	Training error	Testing error
Perceptron	4-3	75	12	200	0.173	0.213
MLP	4-4-3-3	75	37	50	0.027	0.040
PNN	4-75-3	75	525	1	0.0	0.053
CPN	4-20-3	75	140	60	0.107	0.160
ENN	4-3	75	24	9	0.0	0.040
IENN	4-3	67	24	9	0.0	0.027

MLP: multilayer perceptron; PNN: probabilistic neural network; CPN: counter propagation network; ENN: extension neural network; IENN: improved extension neural network.