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Model 1: linear; Model 2: second order polynomial; Model 3: third order polynomial fit
| Df | AIC | |
|---|---|---|
| Model 1 |
5.00 |
970.37 |
| Model 2 |
6.00 |
786.11 |
| Model 3 | 7.00 | 787.55 |
A second order polynomial provides the best fit to the grouped data.
Df, degrees of freedom; AIC, Akaike information criterion.
