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Official Journal of the Japan Wood Research Society

Table 8 Parameter estimates in the covariance and correlation matrices for the AR(1) + RE structure

From: 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)

Parameter

Subject

Estimate

Std error

Z Value

Pr Z

Tree

 

0.001160

0.001351

0.86

0.1953

AR(1)

Tree(Radii*Height)

0.8475

0.02570

32.98

 < 0.0001

Residual

 

0.003967

0.000636

6.24

 < 0.0001

  1. Tree gives the between-tree variance. Residual gives the within-tree variance and AR(1) gives the first-order autocorrelation parameter