Research Article
Preparation of Reed Straw-Based Panels Bonded by Soy-Based Adhesives: Optimization via Response Surface Methodology
Table 4
ANOVA of RSM experiments.
| | Source | Sum of square | Df | Mean square | F value | value | Significance |
| | Model | 7.194 × 10−3 | 9 | 7.993 × 10−4 | 24.33 | 0.0002 | | | X1 | 5 × 10−3 | 1 | 5 × 10−3 | 152.17 | 0.0001 | | | X2 | 8 × 10−4 | 1 | 8 × 10−4 | 24.32 | 0.0017 | | | X3 | 8.01 × 10−4 | 1 | 7.98 × 10−4 | 24.45 | 0.0018 | | | X1X2 | 2.48 × 10−5 | 1 | 2.5 × 10−5 | 0.766 | 0.0012 | | | X1X3 | 2.5 × 10−5 | 1 | 2.5 × 10−5 | 0.754 | 0.046 | | | X2X3 | 2.5 × 10−5 | 1 | 2.5 × 10−5 | 0.762 | 0.432 | — | | 4.003 × 10−4 | 1 | 4.003 × 10−4 | 12.18 | 0.0101 | | | 2.632 × 10−7 | 1 | 2.632 × 10−7 | 8.09 × 10−3 | 0.9312 | — | | 9.5 × 10−5 | 1 | 9.5 × 10−5 | 2.89 | 0.1329 | — | | Residual | 2.3 × 10−4 | 7 | 3.286 × 10−5 | — | — | — | | Lack of fit | 1.5 × 10−4 | 3 | 5 × 10−5 | 2.5 | 0.1985 | — | | Pure error | 8 × 10−5 | 4 | 2 × 10−5 | — | — | — | | Total correlation | 7.424 × 10−3 | 16 | — | — | — | — | | R2 | 0.969 | | 0.9292 | — | — | — |
|
|
Significant at the 5% level ( ); significant at the 1% level ( ). |
