Research Article
Predicting Global Solar Radiation Using an Artificial Neural Network Single-Parameter Model
Table 1
Performance evaluation of thirty neural network models for the prediction of global solar irradiation.
| Trial run no. | ANN structure | | MBE | RMSE | Normal MBE | Normal RMSE | Rank sum | Rank |
| 1 | 19(T) | 0.922 | 0.317 | 0.686 | 0.020 | 0.044 | 0.064 | 14 | 2 | 19(L) | 0.954 | 0.315 | 0.789 | 0.020 | 0.051 | 0.071 | 18 | 3 | 20(T) | 0.965 | 0.268 | 0.681 | 0.017 | 0.044 | 0.061 | 13 | 4 | 20(L) | 0.903 | 0.482 | 0.980 | 0.031 | 0.063 | 0.094 | 26 | 5 | 30(T) | 0.951 | 0.225 | 0.686 | 0.014 | 0.044 | 0.058 | 9 | 6 | 30(L) | 0.899 | 0.981 | 1.679 | 0.063 | 0.108 | 0.171 | 28 | 7 | 32(T) | 0.936 | 0.366 | 0.884 | 0.024 | 0.057 | 0.080 | 22 | 8 | 32(L) | 0.918 | 0.264 | 0.966 | 0.017 | 0.062 | 0.079 | 21 | 9 | 35(T) | 0.876 | 0.365 | 0.996 | 0.023 | 0.064 | 0.087 | 24 | 10 | 35(L) | 0.924 | 0.283 | 0.842 | 0.018 | 0.054 | 0.072 | 19 | 11 | 36(T) | 0.931 | 0.187 | 0.715 | 0.012 | 0.046 | 0.058 | 10 | 12 | 36(L) | 0.909 | 0.210 | 0.888 | 0.013 | 0.057 | 0.070 | 16 | 13 | 37(T) | 0.951 | 0.259 | 0.740 | 0.017 | 0.047 | 0.064 | 14 | 14 | 37(L) | 0.944 | 0.204 | 0.710 | 0.013 | 0.046 | 0.059 | 11 | 15 | 39(T) | 0.944 | 0.304 | 0.636 | 0.020 | 0.041 | 0.060 | 12 | 16 | 39(L) | 0.875 | 0.456 | 1.228 | 0.029 | 0.079 | 0.108 | 27 | 17 | 55(T) | 0.958 | 0.041 | 0.594 | 0.003 | 0.038 | 0.041 | 5 | 18 | 55(L) | 0.956 | 0.039 | 0.493 | 0.002 | 0.032 | 0.034 | 2 | 19 | 62(T) | 0.853 | 0.248 | 1.166 | 0.016 | 0.075 | 0.091 | 25 | 20 | 62(L) | −0.784 | 1.519 | 6.119 | 0.097 | 0.393 | 0.490 | 30 | 21 | 63(T) | 0.729 | −0.112 | 1.354 | −0.007 | 0.087 | 0.080 | 23 | 22 | 63(L) | 0.931 | −0.034 | 0.667 | −0.002 | 0.043 | 0.041 | 4 | 23 | 64(T) | 0.912 | 0.337 | 0.775 | 0.022 | 0.050 | 0.071 | 17 | 24 | 64(L) | 0.954 | 0.190 | 0.587 | 0.012 | 0.038 | 0.050 | 8 | 25 | 65(T) | 0.944 | 0.072 | 0.634 | 0.005 | 0.041 | 0.045 | 6 | 26 | 65(L) | 0.498 | 0.727 | 3.419 | 0.047 | 0.219 | 0.266 | 29 | 27 | 66(T) | 0.939 | 0.154 | 0.611 | 0.010 | 0.039 | 0.049 | 7 | 28 | 66(L) | 0.960 | 0.125 | 0.341 | 0.008 | 0.022 | 0.030 | 1 | 29 | 68(T) | 0.964 | 0.059 | 0.524 | 0.004 | 0.034 | 0.037 | 3 | 30 | 68(L) | 0.897 | 0.205 | 0.966 | 0.013 | 0.062 | 0.075 | 20 |
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