Table 7 Plackett Burman experiment results.
From: Calibration of contact parameters of sandy soil for planting tiger nut based on non-linear tools
Source of variance | Effects | Sum of squares | P value | Significance |
|---|---|---|---|---|
A | 1.88 | 10.57 | 0.0937 | 4 |
B | 2.70 | 21.92 | 0.0309 | 3 |
C | − 0.047 | 6.53 × 10–3 | 0.9610 | 6 |
D | 2.79 | 23.35 | 0.0277 | 2 |
E | − 2.82 | 23.86 | 0.0267 | 1 |
F | − 0.58 | 1.00 | 0.5534 | 5 |
