Table 2 Central composite design matrix for RSM revealed observed and predicted output of REPS
Run | A: Sucrose (g/l) | B: Beef ext. (g/l) | C: pH | D: Incubation Temp. (ºc) | E: Incubation period (day) | REPS yield (g/l) | ||
|---|---|---|---|---|---|---|---|---|
Actual | Predicted | Residual | ||||||
1 | 10 | 15 | 7 | 35 | 5 | 5.51 | 5.55 | -0.0404 |
2 | 10 | 15 | 7 | 25 | 5 | 5.36 | 5.4 | -0.0374 |
3 | 25 | 35 | 5.5 | 30 | 3 | 7.86 | 7.89 | -0.0269 |
4 | 40 | 35 | 7 | 35 | 5 | 7.74 | 7.77 | -0.0334 |
5 | 10 | 15 | 4 | 25 | 5 | 5.47 | 5.46 | 0.0132 |
6 | 10 | 15 | 7 | 35 | 1 | 7.04 | 7.04 | 0.0021 |
7 | 40 | 15 | 7 | 25 | 5 | 6.81 | 6.84 | -0.034 |
8 | 40 | 35 | 7 | 25 | 5 | 8.01 | 7.87 | 0.1421 |
9 | 10 | 35 | 7 | 35 | 5 | 6.59 | 6.63 | -0.0368 |
10 | 40 | 35 | 4 | 25 | 5 | 7.49 | 7.53 | -0.0398 |
11 | 25 | 25 | 5.5 | 25 | 3 | 7.5 | 7.52 | -0.0222 |
12 | 40 | 35 | 4 | 35 | 1 | 8.53 | 8.53 | -0.0002 |
13 | 40 | 15 | 7 | 35 | 1 | 8.12 | 8.12 | -0.0044 |
14 | 10 | 15 | 4 | 35 | 1 | 7.1 | 7.06 | 0.0428 |
15 | 40 | 35 | 4 | 25 | 1 | 8.98 | 8.78 | 0.2027 |
16 | 10 | 15 | 4 | 25 | 1 | 7.03 | 7.06 | -0.0268 |
17 | 10 | 15 | 7 | 25 | 1 | 7.09 | 7.05 | 0.0376 |
18 | 40 | 15 | 4 | 25 | 1 | 8.1 | 8.1 | -0.0008 |
19 | 25 | 15 | 5.5 | 30 | 3 | 6.94 | 7.01 | -0.0705 |
20 | 40 | 15 | 4 | 35 | 1 | 7.89 | 7.96 | -0.0713 |
21 | 25 | 25 | 7 | 30 | 3 | 7.67 | 7.68 | -0.0134 |
22 | 40 | 15 | 4 | 25 | 5 | 6.62 | 6.72 | -0.1008 |
23 | 25 | 25 | 5.5 | 30 | 5 | 6.82 | 6.64 | 0.1811 |
24 | 25 | 25 | 4 | 30 | 3 | 7.44 | 7.52 | -0.084 |
25 | 25 | 25 | 5.5 | 30 | 3 | 7.91 | 8.01 | -0.0968 |
26 | 40 | 25 | 5.5 | 30 | 3 | 10.32 | 10.01 | 0.3137 |
27 | 25 | 25 | 5.5 | 30 | 3 | 8.3 | 8.01 | 0.2932 |
28 | 10 | 15 | 4 | 35 | 5 | 5.85 | 5.62 | 0.2253 |
29 | 10 | 35 | 7 | 25 | 1 | 8.32 | 8.1 | 0.2161 |
30 | 40 | 15 | 4 | 35 | 5 | 6.72 | 6.75 | -0.0287 |
31 | 10 | 35 | 4 | 35 | 5 | 6.5 | 6.49 | 0.0138 |
32 | 40 | 15 | 7 | 25 | 1 | 8.45 | 8.28 | 0.171 |
33 | 25 | 25 | 5.5 | 30 | 3 | 8.2 | 8.01 | 0.1932 |
34 | 10 | 35 | 7 | 35 | 1 | 8.02 | 7.98 | 0.0381 |
35 | 10 | 25 | 5.5 | 30 | 3 | 8.5 | 8.91 | -0.411 |
36 | 10 | 35 | 4 | 35 | 1 | 7.76 | 7.79 | -0.0262 |
37 | 25 | 25 | 5.5 | 35 | 3 | 7.4 | 7.48 | -0.0752 |
38 | 10 | 35 | 7 | 25 | 5 | 6.59 | 6.58 | 0.0086 |
39 | 40 | 35 | 4 | 35 | 5 | 7.35 | 7.45 | -0.1002 |
40 | 10 | 35 | 4 | 25 | 1 | 7.93 | 7.89 | 0.0367 |
41 | 40 | 35 | 7 | 25 | 1 | 8.66 | 9.17 | -0.5105 |
42 | 10 | 35 | 4 | 25 | 5 | 6.37 | 6.43 | -0.0557 |
43 | 40 | 35 | 7 | 35 | 1 | 9.08 | 8.91 | 0.1716 |
44 | 25 | 25 | 5.5 | 30 | 1 | 7.73 | 8.01 | -0.2785 |
45 | 40 | 15 | 7 | 35 | 5 | 6.78 | 6.86 | -0.0769 |