Modeling the effects of growth rate on the intra-tree variation in basic density in hinoki cypress (Chamaecyparis obtusa)

Journal of Wood Science

Official Journal of the Japan Wood Research Society

Table 2 Comparisons of the model performance with different variance–covariance structures for the random effects

Model	Var–Cov structure		No. of parameters	AIC	BIC	logLik	LRT	p value
Model	Tree	Position	No. of parameters	AIC	BIC	logLik	LRT	p value
1.1	Diag	Diag	13	4808	4850	−2393.9
1.2	Block-diag	Diag	11	4794	4840	−2386.1	15.7	0.00001
1.3	Diag	Block-diag	11	4810	4856	−2393.9	<0.001	0.9996
1.4	Block-diag	Block-diag	12	4796	4864	−2386.1	15.7	0.00004

Diag diagonal matrix structure, Block-Diag blocked diagonal matrix structure, logLik log-restricted-likelihood estimated by restricted maximum likelihood method, AIC Akaike’s information criterion, BIC Schwarz’s Bayesian information criterion LRT likelihood ratio test calculated with respect to model 1.1