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Table 5 Parameter estimates and fit statistics from fitting the linear mixed-effects model to predict radial logarithmic microfibril angle, ln(MFA)

From: Radial variation in selected wood properties of three cypress taxa

Parameter

Value

Std. Error

DF

t value

p value

(Intercept)

3.50

0.14

799

24.9

0.000

Lusitanica

0.216

0.046

52

4.66

0.000

Macrocarpa

0.146

0.047

52

3.12

0.003

ln(A)

−0.597

0.057

799

−10.4

0.000

W

−0.010

0.004

799

−2.71

0.007

ln(X)

0.136

0.053

799

2.55

0.011

ln(A):W

0.00764

0.00169

799

4.52

0.000

  1. A cambial age, W ring width, X distance from pith