Table 2.
Prediction results on test data for decomposition based hybrid models.
| Station | Hour | CEEMDAN-ANN | CEEMDAN-LSTM | CEEMDAN-BiLSTM | CEEMDAN-AdaBoost-BiLSTM | CEEMDAN-AdaBoost-BiLSTM-LSTM | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| RMSE | MAE | RMSE | MAE | RMSE | MAE | RMSE | MAE | RMSE | MAE | ||
| Barrage at Narora | 1 | 0.098 | 0.058 | 0.092 | 0.055 | 0.091 | 0.055 | 0.09 | 0.05 | 0.09 | 0.047 |
| 2 | 0.151 | 0.09 | 0.144 | 0.077 | 0.131 | 0.076 | 0.128 | 0.076 | 0.122 | 0.062 | |
| 3 | 0.195 | 0.118 | 0.185 | 0.104 | 0.182 | 0.1 | 0.164 | 0.092 | 0.157 | 0.085 | |
| Kachla Ghat, Badaun | 1 | 0.804 | 0.298 | 0.771 | 0.272 | 0.744 | 0.26 | 0.695 | 0.248 | 0.669 | 0.233 |
| 2 | 0.943 | 0.366 | 0.914 | 0.338 | 0.897 | 0.332 | 0.896 | 0.33 | 0.854 | 0.328 | |
| 3 | 1.03 | 0.422 | 1.003 | 0.411 | 0.987 | 0.407 | 0.966 | 0.378 | 0.939 | 0.363 | |
| Ghatiya ghat, Farrukhabad | 1 | 0.118 | 0.065 | 0.117 | 0.046 | 0.108 | 0.042 | 0.100 | 0.041 | 0.099 | 0.035 |
| 2 | 0.131 | 0.066 | 0.121 | 0.051 | 0.121 | 0.049 | 0.12 | 0.049 | 0.119 | 0.047 | |
| 3 | 0.175 | 0.085 | 0.164 | 0.082 | 0.16 | 0.077 | 0.150 | 0.063 | 0.149 | 0.062 | |
| Bridge at Bithoor | 1 | 0.189 | 0.116 | 0.132 | 0.089 | 0.126 | 0.079 | 0.115 | 0.062 | 0.097 | 0.049 |
| 2 | 0.225 | 0.125 | 0.214 | 0.124 | 0.209 | 0.118 | 0.189 | 0.104 | 0.145 | 0.079 | |
| 3 | 0.311 | 0.182 | 0.288 | 0.161 | 0.272 | 0.158 | 0.253 | 0.142 | 0.243 | 0.139 | |
| Ganga Barrage, Kanpur | 1 | 0.412 | 0.232 | 0.335 | 0.225 | 0.293 | 0.219 | 0.291 | 0.196 | 0.211 | 0.135 |
| 2 | 0.487 | 0.364 | 0.457 | 0.327 | 0.407 | 0.295 | 0.373 | 0.271 | 0.297 | 0.178 | |
| 3 | 0.525 | 0.414 | 0.513 | 0.362 | 0.439 | 0.325 | 0.406 | 0.272 | 0.361 | 0.214 | |
| Bathing Ghat, Kanpur | 1 | 0.52 | 0.243 | 0.501 | 0.241 | 0.454 | 0.218 | 0.453 | 0.215 | 0.425 | 0.213 |
| 2 | 0.871 | 0.481 | 0.751 | 0.37 | 0.716 | 0.355 | 0.628 | 0.306 | 0.602 | 0.299 | |
| 3 | 0.78 | 0.405 | 0.772 | 0.407 | 0.771 | 0.405 | 0.76 | 0.377 | 0.707 | 0.356 | |
| Shuklaganj Bridge, Kanpur | 1 | 0.157 | 0.084 | 0.138 | 0.081 | 0.138 | 0.074 | 0.138 | 0.062 | 0.127 | 0.054 |
| 2 | 0.201 | 0.124 | 0.198 | 0.114 | 0.19 | 0.107 | 0.186 | 0.094 | 0.176 | 0.088 | |
| 3 | 0.315 | 0.209 | 0.283 | 0.206 | 0.282 | 0.158 | 0.268 | 0.149 | 0.237 | 0.127 | |
| Bridge at Ansi, Fatehpur | 1 | 0.334 | 0.175 | 0.299 | 0.163 | 0.298 | 0.161 | 0.279 | 0.143 | 0.279 | 0.137 |
| 2 | 0.6 | 0.38 | 0.554 | 0.288 | 0.508 | 0.288 | 0.492 | 0.284 | 0.473 | 0.253 | |
| 3 | 0.822 | 0.52 | 0.803 | 0.483 | 0.801 | 0.485 | 0.712 | 0.426 | 0.686 | 0.388 | |
| River Gomti in Varanasi | 1 | 0.449 | 0.213 | 0.407 | 0.155 | 0.406 | 0.154 | 0.343 | 0.148 | 0.337 | 0.132 |
| 2 | 0.668 | 0.339 | 0.621 | 0.281 | 0.598 | 0.258 | 0.571 | 0.255 | 0.544 | 0.253 | |
| 3 | 0.844 | 0.5 | 0.826 | 0.451 | 0.807 | 0.417 | 0.787 | 0.407 | 0.727 | 0.358 | |
| Rajwari | 1 | 0.274 | 0.166 | 0.274 | 0.161 | 0.26 | 0.149 | 0.258 | 0.138 | 0.256 | 0.131 |
| 2 | 0.41 | 0.285 | 0.377 | 0.219 | 0.367 | 0.218 | 0.361 | 0.205 | 0.354 | 0.202 | |
| 3 | 0.472 | 0.306 | 0.463 | 0.31 | 0.46 | 0.306 | 0.441 | 0.27 | 0.427 | 0.248 | |