Table 5.
Comparison of the foresting error rates and the execution time between the existing methods and the proposed method.
Forecasting time points |
Electrodes | RMSE | Execution time (sec) | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
500 (training) | 1000 (training) | 500 (training) | 1000 (training) | ||||||||||
ANN | NN | CA-AR (5) | ANN | NN | CA-AR (5) | ANN | NN | CA-AR (5) | ANN | NN | CA-AR (5) | ||
1000 | 4 | 0.091 | 0.020 | 0.047 | 0.13 | 0.023 | 0.05 | 1.01 | 7.44 | 0.08 | 5.34 | 9.11 | 0.06 |
8 | 0.039 | 0.006 | 0.043 | 0.055 | 0.016 | 0.051 | 0.08 | 7.75 | 0.03 | 5.01 | 8.86 | 0.06 | |
35 | 0.228 | 0.072 | 0.039 | 0.192 | 0.062 | 0.045 | 0.90 | 7.64 | 0.08 | 4.90 | 8.78 | 0.05 | |
70 | 0.057 | 0.010 | 0.056 | 0.049 | 0.011 | 0.054 | 0.10 | 7.57 | 0.08 | 4.48 | 8.63 | 0.06 | |
95 | 0.091 | 0.032 | 0.044 | 0.145 | 0.038 | 0.034 | 0.94 | 7.44 | 0.06 | 4.70 | 8.75 | 0.05 | |
| |||||||||||||
Average | 0.101 | 0.028 | 0.046 | 0.114 | 0.03 | 0.047 | 0.61 | 7.57 | 0.07 | 4.88 | 8.83 | 0.06 | |
| |||||||||||||
2000 | 4 | 0.217 | 0.021 | 0.046 | 0.245 | 0.03 | 0.038 | 1.11 | 20.55 | 0.08 | 4.87 | 20.14 | 0.05 |
8 | 0.060 | 0.019 | 0.047 | 0.082 | 0.027 | 0.018 | 1.11 | 20.64 | 0.08 | 5.55 | 20.87 | 0.05 | |
35 | 0.253 | 0.063 | 0.052 | 0.191 | 0.088 | 0.048 | 0.83 | 20.31 | 0.06 | 4.91 | 21.03 | 0.05 | |
70 | 0.058 | 0.015 | 0.049 | 0.046 | 0.012 | 0.033 | 1.01 | 20.12 | 0.08 | 4.52 | 20.94 | 0.04 | |
95 | 0.173 | 0.037 | 0.048 | 0.198 | 0.038 | 0.048 | 0.92 | 20.58 | 0.08 | 5.12 | 20.47 | 0.05 | |
| |||||||||||||
Average | 0.152 | 0.031 | 0.048 | 0.152 | 0.039 | 0.037 | 1.00 | 20.44 | 0.07 | 5.00 | 20.69 | 0.05 | |
| |||||||||||||
3000 | 4 | 0.376 | 0.029 | 0.052 | 0.399 | 0.019 | 0.051 | 0.92 | 32.74 | 0.08 | 5.79 | 38.31 | 0.05 |
8 | 0.094 | 0.015 | 0.051 | 0.112 | 0.032 | 0.051 | 1.22 | 32.39 | 0.03 | 5.68 | 36.47 | 0.05 | |
35 | 0.259 | 0.070 | 0.049 | 0.213 | 0.087 | 0.047 | 0.98 | 32.40 | 0.08 | 4.76 | 36.57 | 0.05 | |
70 | 0.055 | 0.023 | 0.048 | 0.044 | 0.013 | 0.046 | 1.33 | 32.79 | 0.08 | 5.13 | 37.53 | 0.05 | |
95 | 0.227 | 0.049 | 0.050 | 0.233 | 0.059 | 0.049 | 0.94 | 33.29 | 0.11 | 4.88 | 37.47 | 0.05 | |
| |||||||||||||
Average | 0.202 | 0.037 | 0.050 | 0.2 | 0.042 | 0.049 | 1.08 | 32.72 | 0.07 | 5.25 | 37.27 | 0.05 |