Table 2 PBD for the evaluation of nine independent variables (in coded value) with the corresponding actual and predicted P. lilacinus biomass concentration
Run No | A | B | C | D | E | F | G | H | J | Observed biomass concentration (g/L) | Predicted biomass concentration (g/L) | Residual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | 1 | − 1 | 1 | 1 | − 1 | 1 | − 1 | − 1 | 1 | 3.05 ± 0.12 | 3.08 | − 0.03 |
2 | 1 | 1 | 1 | − 1 | 1 | 1 | − 1 | 1 | 1 | 4.15 ± 0.34 | 4.12 | 0.03 |
3 | − 1 | 1 | 1 | − 1 | 1 | − 1 | − 1 | − 1 | − 1 | 2.62 ± 0.48 | 2.65 | − 0.03 |
4 | − 1 | 1 | − 1 | − 1 | − 1 | 1 | 1 | 1 | − 1 | 4.45 ± 0.15 | 4.48 | − 0.03 |
5 | 1 | 1 | − 1 | 1 | 1 | − 1 | 1 | − 1 | 1 | 5.86 ± 1.23 | 5.76 | 0.10 |
6 | − 1 | − 1 | − 1 | 1 | 1 | 1 | − 1 | 1 | − 1 | 3.85 ± 0.73 | 3.75 | 0.10 |
7 | − 1 | − 1 | − 1 | − 1 | − 1 | − 1 | − 1 | − 1 | − 1 | 3.41 ± 0.21 | 3.38 | 0.03 |
8 | − 1 | 1 | 1 | 1 | − 1 | 1 | 1 | − 1 | − 1 | 2.74 ± 0.92 | 2.71 | 0.03 |
9 | 1 | 1 | − 1 | 1 | − 1 | − 1 | − 1 | 1 | 1 | 6.21 ± 0.37 | 6.31 | − 0.10 |
10 | − 1 | − 1 | 1 | 1 | 1 | − 1 | 1 | 1 | − 1 | 2.56 ± 0.22 | 2.66 | − 0.10 |
11 | 1 | − 1 | − 1 | − 1 | 1 | 1 | 1 | − 1 | 1 | 3.65 ± 0.68 | 3.75 | − 0.10 |
12 | 1 | − 1 | 1 | − 1 | − 1 | − 1 | 1 | 1 | 1 | 3.32 ± 0.43 | 3.22 | 0.10 |