Research Article
Optimization of GC-MS Method for Analysis of Basil Essential Oils from Algeria: Design of Experiments and Exploratory Pattern Recognition
Table 8
Results of the validation of four statistical models.
| | Model | Equation (8) | Equation (9) | Equation (10) | Equation (11) |
| | Variance | 0.0133725 (17) | 0.0148353 (17) | 0.0115758 (17) | 0.0122119 (17) | | Pure error variance | 0.000533 (5) | 0.000483 (5) | 0.001083 (5) | 0.000933 (5) | | Lack-of-fit variance | 0.001970 (9) | 0.002158 (7) | 0.00793 (9) | 0.001155 (9) | | Fcalculated | 65.72 | 34.60 | 133.26 | 87.98 | | Festimated | 3.34 | 3.11 | 3.34 | 3.34 | | r 2 | 93.37% | 93.51% | 96.62% | 94.96% |
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Degrees of freedom are listed within parentheses.
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