Table 7 Model fit summary response surface methodology (RSM).
Source | Std. Dev. | R2 | Adjusted R2 | Predicted R2 | PRESS | |
|---|---|---|---|---|---|---|
Linear | 17.06 | 0.7333 | 0.6833 | 0.6208 | 6623.78 | |
2FI | 18.01 | 0.7587 | 0.6474 | 0.3737 | 10940.82 | |
Quadratic | 2.96 | 0.995 | 0.993 | 0.9743 | 449.73 | Suggested |
Cubic | 2.54 | 0.9978 | 0.9930 | 0.9581 | 723.50 | Aliased |