Table 4.
Variance analysis for the three fitted models.
| Models | E. coli | S. aureus | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| DF | SS | MS | F | p value | DF | SS | MS | F | p value | |
| R | 6 | 25.486212 | 4.24770 | 117.6945 | <0.0001∗ | 6 | 0.125 | 0.021 | 29.41 | 0.001∗ |
| r | 5 | 0.180455 | 0.03609 | 5 | 0.004 | 0.001 | ||||
| LOF | 3 | 0.190 | 0.06015 | 14.32 | 0.07 | 3 | 0.0036 | 0.00122 | 12.2 | 0.051 |
| PE | 2 | 0.00012 | 0.0042 | 2 | 0.0001 | 0.0001 | ||||
| Total | 11 | 25.666667 | 11 | 0.129 | ||||||
|
| ||||||||||
| R 2 | 99% | 97% | ||||||||
|
| ||||||||||
| R adj 2 | 98% | 93% | ||||||||
|
| ||||||||||
| R pred 2 | 85% | 42% | ||||||||
R: regression; r: residual; LOF: lack of fit; PE: pure error; R2: coefficient of determination; adj: adjusted; pred: predicted; DF: degrees of freedom; SS: sum of squares; MS: mean square; ∗statistically significant.