Table 3: Radiation forecasting; spatial comparison of ANN models with time delay, neurons and transfer function.

Number of inputs%performance (MAE)%training%forecastingYearDelayNeuronsTransfer
function
ColumnRowRanking
TrainingValidationTestingMSERMSEMSERMSE

11*2.14*4.32*3.04*2.76*16.61*0.78*24.3*11*7*70*satlins*1*2*1*
7**2.86**4.22**3.08**3.18**17.83**0.73**24.51**12**3**130**compet**3**1**2**
6***3.12***3.41***3.13***3.18***17.83***0.63***22.2***12***1***10***hardlims***2***3***3***
92.473.463.252.8216.80.8624.161226220hardlim334
152.143.63.292.6616.311.3527112100purelin235
291.634.763.332.616.120.6925.059740compet126
142.313.413.342.7316.531.1826.59112310purelin227
82.44.323.392.9817.260.5922.2912140satlin328
171.984.093.442.716.420.9426.2911040poslin329
102.243.443.452.7216.50.823.47112310logsig1110
251.784.293.52.6316.210.9724.571021160purelin3111
1924.143.512.7316.521.6127.84102340tansig1112
34.213.93.524.0120.030.5320.961227190poslin1313
122.054.013.562.7416.561.125.59112640hardlims1314
52.794.523.593.2918.150.4421.05121250poslin2215
261.824.313.62.6816.361.629.291019190compet3216
181.913.783.622.6216.21.1126.58112570satlins3317
321.694.563.652.6516.291.2527.4915130satlins2220
281.744.433.652.6616.31.4128.09920280purelin1119
162.043.743.652.716.440.7723.57112940purelin3118
43.224.43.663.5518.830.6822.411222190satlin2121
132.073.883.692.7616.611.4328.84114190poslin2122
211.644.653.712.6516.291.0825.53102640logsig1323
301.694.393.712.6416.241.4527.9791440tansig1324
331.715.33.712.8316.821.4728.2691570satlin2325
271.694.153.752.5916.11.6329.641011160hardlims3326
341.693.983.862.5816.071.125.5592310tansig3128
231.724.293.862.6716.331.3526.66102610satlin2227
351.684.363.942.6716.341.2427.5692170purelin3229
201.644.43.962.6616.30.9925.7110710purelin1230
311.654.1542.6216.21.3928.1392770poslin2132
221.74.142.6416.251.4128.43108160satlins2131
381.75.84.032.9817.27230.4810190compet1233
241.564.154.052.5816.060.7824.451015190compet2334
371.624.394.12.6716.331.8329.638270hardlims1135
361.554.934.112.7416.562.0630.859340tansig3336
391.335.094.352.6916.391.4728.5882340hardlims1337
401.295.514.542.7816.681.4830.0187130tansig2138
441.245.794.562.8116.772.0632.398310compet3239
471.026.394.612.8116.762.3733.247110logsig1240
461.165.944.712.8316.821.4729.4717160poslin1141
421.125.524.722.7216.51.2928.96820250hardlim2342
411.215.624.752.816.730.9928.1182540hardlim2243
431.215.364.782.7516.591.9631.288770tansig3144
451.166.664.93.0117.342.0331.28823130hardlims3345
521.095.365.042.7416.541.7131.257510compet3146
511.036.145.052.8616.911.7931.647010satlin2347
481.135.45.112.7816.681.3529.2272340compet1348
570.886.315.122.8216.782.1532.8468100tansig1350
501.165.75.122.8616.922.6533.9871240purelin2249
491.125.895.192.8916.992.7733.927710compet2151
561.016.755.383.0317.412.0431.2162910compet1252
550.96.135.452.8616.912.7733.866810purelin1153
540.986.545.482.9917.292.4833.8774100satlins3354
590.966.585.51317.312.0832.3861540logsig2255
5319.495.623.6219.021.227.6272240logsig3256
610.836.915.63317.333.4636.261100tansig3157
600.916.525.75317.32336.76010tansig2358
25.856.765.916.0524.591.3425.0512140poslin1259
580.96.486.033.0417.433.1635.4161010tansig2160
620.758.216.093.3118.192.534.12625100satlin3261
650.676.96.443.0717.533.4636.2152540poslin1263
630.716.496.443.0117.363.3135.076540logsig3362
660.697.086.453.1217.662.5234.3352810hardlim1364
690.67.66.53.1817.833.1535.3352510logsig2365
670.686.936.683.1317.692.8434.252210satlins2166
710.747.556.683.2918.134.4538.715310tansig3267
700.697.416.693.2317.973.0434.9751010logsig3168
640.697.066.763.1817.823.0834.9452810hardlim1169
680.746.566.93.1417.713.3936.0152340poslin2270
720.796.727.313.2818.112.7734.865540compet3371