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 2 Observed WSG correlation between relative radial distance groups (Pearson correlation)

	RRD1	RRD2	RRD3	RRD4	RRD5	RRD6	RRD7	RRD8	RRD9	RRD10
RRD1	1	< 0.0001	0.2176	0.4085	0.9970	0.7674	0.4434	0.4738	0.3628	0.6625
RRD2	0.6930	1	< 0.0001	0.0005	0.0936	0.3478	0.8260	0.9592	0.8947	0.8354
RRD3	0.2106	0.6976	1	< 0.0001	< 0.0001	0.0042	0.0440	0.0565	0.0876	0.1819
RRD4	0.1420	0.5476	0.8777	1	< 0.0001	< 0.0001	< 0.0001	0.0002	0.0004	0.0046
RRD5	− 0.0006	0.2836	0.6927	0.9241	1	< 0.0001	< 0.0001	< 0.0001	< 0.0001	< 0.0001
RRD6	− 0.0511	0.1611	0.4658	0.7392	0.8831	1	< 0.0001	< 0.0001	< 0.0001	< 0.0001
RRD7	− 0.1318	0.0379	0.3377	0.6199	0.7833	0.9272	1	< 0.0001	< 0.0001	< 0.0001
RRD8	− 0.1233	− 0.0088	0.3207	0.5826	0.7575	0.8376	0.9218	1	< 0.0001	< 0.0001
RRD9	− 0.1562	− 0.0229	0.2888	0.5621	0.7465	0.8138	0.8471	0.9435	1	< 0.0001
RRD10	− 0.0753	− 0.0359	0.2276	0.4611	0.6416	0.7514	0.8539	0.8580	0.8551	1

RRD relative radial distance, correlation below diagonal, P-value in the upper triangular part of the matrix