Table 2.

Correlations between random location and scale effects.

	1	2	3	4	5	6
1 ${\tau }_{{\varphi }_0}$	-		Location		Location and
2 ${\tau }_{{\varphi }_1}$	0.25	-				scale
3 ${\tau }_{{\varphi }_2}$	0.26	0.71	-
4 ${\tau }_{{\gamma }_0}$	−0.52	−0.49	−0.54	-		Scale
5 ${\tau }_{{\gamma }_1}$	0.22	0.63	0.48	−0.37	-
6 ${\tau }_{{\gamma }_2}$	0.30	0.28	0.46	−0.34	0.19	-

ϕ₀ and γ₀: asymptote. ϕ₁ and γ₁: “intercept” (estimate at trial 1). ϕ₂ and γ₂: log rate of change.