Table 3
The statistical parameters of the developed GEP model for prediction of damaged permeability.
| Parameter | Value |
|---|---|
| Training set | |
| R2,a | 0.9841 |
| Average relative deviation, %b | 0.0629 |
| Average absolute relative deviation, %c | 0.6565 |
| Root mean square errord | 0.0990 |
| Number of data samples | 345 |
| Test set | |
| R 2 | 0.9858 |
| Average relative deviation, % | −0.0746 |
| Average absolute relative deviation, % | 0.5782 |
| Root mean square error | 0.0872 |
| Number of data samples | 86 |
| Total | |
| R 2 | 0.9843 |
| Average relative deviation, % | 0.0355 |
| Average absolute relative deviation, % | 0.6409 |
| Root mean square error | 0.0967 |
| Number of data samples | 431 |
