Table 7.
Empirical models performance indicators.
| Model | Method | Statistical indicators |
Improvements in performance of the developed GEP model compared to the ACI 440.2R-08 |
||
|---|---|---|---|---|---|
| R | RMSE (kN.m) | MAE (kN.m) | |||
| GB50367-2013 | EB | 0.9186 | 14.0762 | 9.4839 | |
| JSCE 2001 | EB | 0.8808 | 16.8692 | 12.0744 | |
| CNR-DT 200 R1 | EB | 0.9189 | 14.0585 | 9.9542 | |
| TR 55 | EB | 0.8859 | 16.5275 | 11.8304 | |
| ACI 440.2R-08 | EB | 0.9347 | 12.6614 | 8.8431 | |
| NSM | 0.8860 | 12.1816 | 12.1816 | ||
| CSA S806-12 | EB | 0.9133 | 14.5115 | 10.2079 | |
| NSM | 0.8113 | 15.3562 | 12.5057 | ||
| GEP (This study) | Training | 0.9829 | 5.9697 | 4.0853 | R increased by 5 % MAE decreased by 54 % RMSE decreased by 51 % |
| Validation | 0.9813 | 7.1330 | 5.3973 | R increased by 5 % MAE decreased by 39 % RMSE decreased by 41 % |
|