Table 3 Statistical parameters calculated after implementation of 2nd full factorial central composite experimental design
Regression coefficient | R2 | R2(adjusted) | F-value of model | Regression ( P- value) | Lack of fit (F-value) | Lack of fit ( P-value) |
|---|---|---|---|---|---|---|
Y1 | 0.98 | 0.97 | 20.13 | 0.0001 | 1.77 | 0.299 |
Y2 | 0.97 | 0.95 | 19.77 | 0.0001 | 1.85 | 0.289 |
Y3 | 0.99 | 0.99 | 21.48 | 0.0001 | 1.94 | 0.274 |
Y4 | 0.99 | 0.99 | 17.21 | 0.0001 | 1.61 | 0.261 |