TABLE 3.
Statistical summary of model.
| Response | Source | R 2 | Adjusted R 2 | Predicted R 2 | Adequate Precision | Sequential p-value | Remarks |
|---|---|---|---|---|---|---|---|
| PS | Linear | 0.5335 | 0.4403 | 0.0527 | 26.5861 | .0221 | |
| 2FI | 0.5594 | 0.4125 | 0.0540 | .4861 | |||
| Quadratic | 0.9762 | 0.9593 | 0.8317 | < .0001 | Suggested | ||
| Cubic | 0.9917 | 0.9801 | 0.4755 | .0722 | Aliased | ||
| EE | Linear | 0.3654 | 0.2384 | ‒0.2076 | 23.1059 | .1029 | |
| 2FI | 0.5157 | 0.3542 | ‒0.0788 | .1290 | |||
| Quadratic | 0.9742 | 0.9557 | 0.8429 | < .0001 | Suggested | ||
| Cubic | 0.9947 | 0.9873 | 0.9617 | .0189 | Aliased |
The bold values for the suggested design.