Table 2 Statistical test results of model performance.
Model type | Mean absolute error (MAE) | Prediction accuracy (%) | MAE difference from LSTM-CNN | Wilcoxon p-value | Significance |
|---|---|---|---|---|---|
LSTM-CNN | 0.33 | 89.2 | – | – | – |
LSTM only | 0.52 | 78.5 | 0.19 | 0.002 | ** |
CNN only | 0.41 | 82.1 | 0.08 | 0.015 | * |
BiLSTM | 0.47 | 80.3 | 0.14 | 0.005 | ** |
GRU | 0.50 | 79.1 | 0.17 | 0.003 | ** |
Transformer | 0.61 | 75.8 | 0.28 | 0.001 | ** |
GAN | 0.58 | 76.5 | 0.25 | 0.001 | ** |