Variable responses | Source | SS | MS | F value | Pr > F |
Plant height (cm) | Linear | 13872 |
| 23.43 | <0.0001 |
Quadratic | 1894 |
| 3.20 | 0.0415 | |
Cross-product | 1204 |
| 4.07 | 0.0441 | |
Total model | 16970 |
| 11.47 | <0.0001 | |
Lack of fit | 19635 | 654.51 | 0.85 | 0.49 | |
Pure error | 138137 | 274.63 |
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| |
Stem diameter (mm) | Linear | 39.70 |
| 21.10 | <0.0001 |
Quadratic | 22.19 |
| 11.80 | <0.0001 | |
Cross-product | 1.18 |
| 1.26 | 0.0480 | |
Total model | 63.07 |
| 13.41 | <0.0001 | |
Lack of fit | 22.61 | 0.75 | 0.79 | 0.78 | |
Pure error | 478.85 | 0.95 |
|
| |
Chlorophyll content (SPAD) | Linear | 208.94 |
| 2.78 | 0.0062 |
Quadratic | 393.78 |
| 5.24 | 0.0056 | |
Cross-product | 106.95 |
| 2.85 | 0.0092 | |
Total model | 709.67 |
| 3.78 | 0.0023 | |
Lack of fit | 3732 | 124.42 | 0.84 | 0.51 | |
Pure error | 16258 | 32.39 |
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