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Factor levels (SS = screw speed; FR = feed rate; TP = temperature profile) for runs 25–30 (independent external test set).
| Process Run | SS Level | FR Level | TP Level |
|---|---|---|---|
| 25 | Low | High | Low |
| 26 | High | Low | High |
| 27 | Low | High | Low-Mid |
| 28 | Low | High | Mid |
| 29 | Low | Low | Low-Mid |
| 30 | High | Low | Low |
