902381.fig.006a
(a)
902381.fig.006b
(b)
Figure 6: Residuals versus predicted heights (a) and site index at reference age of 30 years (b) for model M6 (the GADA formulation of the Lundqvist-Korf base equation that considers two site-specific parameters) fitted with a second-order continuous-time autoregressive error structure (CAR(2)).