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. 2022 Aug 16;22(16):6121. doi: 10.3390/s22166121

Table 7.

Analysis using the wavelet transform.

Model Depth RMSE MAPE MAE R2 Time (s)
Wavelet
LSTM
1 3.83 ×102 1.18 ×101 2.72 ×102 0.2314 86.24
2 3.72 ×102 1.13 ×101 2.61 ×102 0.2776 70.33
3 3.28 ×102 1.12 ×101 2.48 ×102 0.4376 73.87
4 4.01 ×102 1.46 ×101 3.17 ×102 0.1595 77.55
Wavelet
GMDH
1 3.98 ×103 5.79 ×103 1.35 ×103 0.9917 0.22
2 3.01 ×103 4.09 ×103 9.50 ×104 0.9953 0.29
3 5.81 ×103 1.01 ×102 2.30 ×103 0.9824 0.23
4 3.94 ×103 6.11 ×103 1.42 ×103 0.9919 0.24
Wavelet
ANFIS
1 1.56 ×103 5.31 ×104 1.17 ×104 0.9987 35.93
2 1.58 ×103 5.48 ×105 1.28 ×105 0.9987 42.54
3 1.57 ×103 1.76 ×104 3.90 ×105 0.9987 33.86
4 1.57 ×103 2.03 ×104 4.52 ×105 0.9987 33.05
Wavelet
Ensemble
1 2.64 ×103 8.46 ×103 1.71 ×103 0.9964 21.03
2 3.62 ×103 1.44 ×102 2.88 ×103 0.9931 17.65
3 2.46 ×103 7.01 ×103 1.43 ×103 0.9968 20.08
4 3.12 ×103 1.15 ×102 2.31 ×103 0.9949 19.90