All issues Volume 74 (2019) Oil Gas Sci. Technol. – Rev. IFP Energies nouvelles, 74 (2019) 30 Full HTMLPerformance characteristics (statistical indicators) GPTIPS based models applied to crude oils in the database. Fold-0i means that the fold is external to the learning procedure.
| Fold-01 | Fold-02 | Fold-03 | Fold-04 | Fold-05 | Fold-06 | Fold-07 | Fold-08 | Fold-09 | |
|---|---|---|---|---|---|---|---|---|---|
| MAE | 0.80 | 0.83 | 0.94 | 1.04 | 0.93 | 0.89 | 0.88 | 0.81 | 0.96 |
| RMSE | 1.02 | 1.30 | 1.27 | 1.40 | 1.18 | 1.08 | 1.07 | 0.97 | 1.38 |
| R 2 | 0.915 | 0.861 | 0.868 | 0.838 | 0.886 | 0.903 | 0.905 | 0.922 | 0.843 |
| CCC | 0.954 | 0.925 | 0.934 | 0.919 | 0.940 | 0.951 | 0.950 | 0.960 | 0.921 |
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