Table 3.
Statistical summary of all applied models for response particle size (Y1).
| Source | Sum of squares | df | Mean square | F value | p-Value | Remark |
|---|---|---|---|---|---|---|
| Sequential model sum of squares | ||||||
| Mean vs. total | 1,076,288 | 1 | 1,076,288 | – | – | – |
| Linear vs. mean | 48,266.92 | 3 | 16,088.97 | 25.0 | <.0001 | – |
| 2FI vs. linear | 4084.25 | 3 | 1361.42 | 3.64 | .06 | – |
| Quadratic vs. 2FI | 2982.98 | 3 | 994.33 | 586.3808 | <.0001 | Suggested |
| Lack of fit tests | ||||||
| Linear | 7067.71 | 9 | 785.30 | 196.32 | .0051 | – |
| 2FI | 2983.46 | 6 | 497.24 | 124.31 | .0080 | – |
| Quadratic | 0.48 | 3 | 0.16 | 0.04 | .9866 | Suggested |
| Source | Std. Dev. | R 2 | Adjusted R2 | Predicted R2 | PRESS | Remark |
| Model summary statistics | ||||||
| Linear | 25.36 | 0.8721 | 0.8372 | 0.7267 | 15,120.77 | – |
| 2FI | 19.33 | 0.9459 | 0.9054 | 0.7146 | 15,794.45 | – |
| Quadratic | 1.30 | 0.9998 | 0.9995 | 0.9995 | 25.65 | Suggested |