Parametric coefficients | Estimate | Std. error | t-value | p value | Sig. |
---|---|---|---|---|---|
Generalized additive model ‘GAM’ (AIC = 363.2) | |||||
 Intercept | 505 | 33.26 | 15.18 | < 0.001 | *** |
 Smooth term | Edf | Ref.df | F | p-value | Sig. |
 s(10-day period) | 6.75 | 7.86 | 19.88 | < 0.001 | *** |
Five-parameter Double-Richards model (AIC = 368.4) | |||||
 Asym | 1733.8639 | 557.45 | 3.11 | 0.005 | ** |
 K | 0.5746 | 0.23 | 2.52 | 0.019 | * |
 Infl | 8.5598 | 0.65 | 13.20 | < 0.001 | *** |
 RAsym | − 1758.0238 | 635.49 | − 2.77 | 0.011 | * |
 RM | 1.9059 | 1.39 | 1.37 | 0.184 | ns |
Six-parameter Double-Richards model (AIC = 366.1) | |||||
 Asym | 1139.0003 | 221.26 | 5.15 | < 0.001 | *** |
 K | 1.0588 | 0.51 | 2.10 | 0.048 | * |
 Infl | 8.0153 | 0.51 | 15.85 | < 0.001 | *** |
 RAsym | − 1470.3866 | 791.61 | − 1.86 | 0.077 | ns |
 Rk | 0.3309 | 0.25 | 1.33 | 0.197 | ns |
 Ri | 22.0231 | 2.55 | 8.64 | < 0.001 | *** |