An application of mixed-effects model to evaluate the role of age and size on radial variation in wood specific gravity in teak (Tectona grandis)

Journal of Wood Science

Official Journal of the Japan Wood Research Society

Table 3 REML covariance and correlation estimates for unstructured covariance structure for WSG repeated measures data

RRD 1	RRD 2	RRD 3	RRD 4	RRD 5	RRD 6	RRD 7	RRD 8	RRD 9	RRD 10
0.0035	0.0021	0.0007	0.0006	0.0000	− 0.0002	− 0.0006	− 0.0006	− 0.0007	− 0.0004
0.6932	0.0026	0.0021	0.0019	0.0011	0.0006	0.0001	0.0000	− 0.0001	− 0.0002
0.2154	0.7151	0.0034	0.0036	0.0030	0.0022	0.0016	0.0014	0.0012	0.0011
0.1426	0.5500	0.8843	0.0049	0.0048	0.0041	0.0034	0.0031	0.0029	0.0025
0.0000	0.2871	0.6931	0.9243	0.0054	0.0051	0.0045	0.0042	0.0040	0.0037
− 0.0512	0.1607	0.4749	0.7403	0.8860	0.0062	0.0057	0.0050	0.0047	0.0046
− 0.1322	0.0368	0.3477	0.6218	0.7872	0.9273	0.0061	0.0055	0.0048	0.0052
− 0.1229	− 0.0067	0.3169	0.5818	0.7568	0.8396	0.9250	0.0058	0.0053	0.0051
− 0.1560	− 0.0213	0.2865	0.5615	0.7462	0.8151	0.8493	0.9435	0.0053	0.0049
− 0.0763	− 0.0390	0.2439	0.4655	0.6494	0.7524	0.8544	0.8653	0.8609	0.0060

This can be seen as the evolutionary variance–covariance of the lateral meristem. Variances on the diagonal bold values, covariances above diagonal bold values, correlation below diagonal bold values