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Table 2 AIC, log-likelihood and fit indices for the models to predict SGA given by Eqs. 1, 2 and 3

From: Modelling spiral grain angle variation in New Zealand-grown radiata pine

Model

AIC

Log-likelihood

Fit indices (R2)

   

Fixed

Site

Tree

Disc

Eq. (1)

147338

−73661

0.26

0.31

0.51

0.61

Eq. (2)

149165

−74575

0.22

0.28

0.48

0.61

Eq. (3)

148444

−74213

0.24

0.28

0.43

0.43