902381.fig.002a
(a)
902381.fig.002b
(b)
902381.fig.002c
(c)
Figure 2: Height-lag1-residuals and height-lag2-residuals versus height-residuals for model M6 fitted without considering the autocorrelation parameters (a), and using continuous-time autoregressive error structures of first and second order (b and c, resp.).