| Run | Independent variables (coded) | Independent variables (actual) | Cordycepin content, mg/L | ||||
|---|---|---|---|---|---|---|---|
| X1 | X2 | X3 | X1 | X2 | X3 | Y1 | |
| 1 | 1 | 0 | 1 | 24 | 7.5 | 24 | 2074.18 |
| 2 | 0 | 0 | 0 | 12 | 7.5 | 72 | 3100.92 |
| 3 | 1 | 0 | 1 | 24 | 7.5 | 120 | 1320.56 |
| 4 | -1 | 1 | 0 | 0 | 10 | 72 | 186.37 |
| 5 | 0 | 0 | 0 | 12 | 7.5 | 72 | 3165.12 |
| 6 | 0 | -1 | -1 | 12 | 5 | 24 | 1772.23 |
| 7 | -1 | 0 | -1 | 0 | 7.5 | 24 | 124.43 |
| 8 | 1 | -1 | 0 | 24 | 5 | 72 | 1913.36 |
| 9 | - | 0 | 1 | 0 | 7.5 | 120 | 119.28 |
| 10 | 0 | -1 | 1 | 12 | 5 | 120 | 1112.81 |
| 11 | 1 | 1 | 0 | 24 | 10 | 72 | 3008.74 |
| 12 | 0 | 1 | 1 | 12 | 10 | 120 | 2613.48 |
| 13 | 0 | 0 | 0 | 12 | 7.5 | 72 | 3031.83 |
| 14 | 0 | 0 | 0 | 12 | 7.5 | 72 | 3112.59 |
| 15 | -1 | -1 | 0 | 0 | 5 | 72 | 93.16 |
| 16 | 0 | 1 | -1 | 12 | 10 | 24 | 3655.11 |
| 17 | 0 | 0 | 0 | 12 | 7.5 | 72 | 3712.73 |
| Independent variables | Levels | ||||||
| -1 | 0 | 1 | |||||
| X1: Illumination time, h/day | 0 | 12 | 24 | ||||
| X2: Sugar content, g/50 mL medium | 5 | 7.5 | 10 | ||||
| X3: Incubate time, h | 24 | 72 | 120 | ||||