Open Access
Table 2
Summary of the R2 values for second-degree polynomial and linear models.
| Quantity | R2 of Poly2 | R2 of Linear fit |
|---|---|---|
| foF1 | 0.996 | 0.840 |
| foF2 | 0.999 | 0.975 |
| [O] | 0.929 | 0.861 |
| [O]/[N2] | 0.999 | 0.938 |
| ρ | 0.998 | 0.860 |
| T ex | 0.998 | 0.859 |
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