Table 4: Performance of different structures of neural network.

Number of hidden layersNumber of neurons in each layerMRE (%)
Test dataTraining dataTest dataTraining data

122.582.040.9780.985
141.791.650.9890.996
162.482.040.9790.986
182.331.800.9890.994
1102.171.730.9820.990
1121.061.010.9980.999
1141.281.24 0.9960.999
222.502.240.9800.989
242.412.140.9840.990
262.542.450.9810.989
282.091.890.9900.995
2102.281.970.9880.991
2122.341.960.9920.994
2142.131.910.9920.995