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Journal of Wood Science

Official Journal of the Japan Wood Research Society

Table 5 Partial least squares multiple regression results for KAR, MOE, and tensile strength

From: Stochastic model for predicting the bending strength of glued-laminated timber based on the knot area ratio and localized MOE in lamina

Lamina size (mm)

Predictor

Coefficient

Standardized coefficient

p valuea

\({R^2}\) b

38 × 89

Constant

41.23

 

1.78 × 10− 10

 
 

KAR

− 69.71

− 0.62

6.27 × 10− 16

0.55

 

MOE (GPa)

1.63

0.30

7.85 × 10− 4

0.61

38 × 140

Constant

39.40

 

9.58 × 10− 9

 
 

KAR

− 56.38

− 0.67

2.73 × 10− 19

0.61

 

MOE (GPa)

1.26

0.19

3.69 × 10− 3

0.63

  1. Knot area ratio
  2. Modulus of elasticity
  3. aThe statistical uncertainties between dependent variable and independent ones
  4. bThe coefficient of determination between dependent variable and independent ones. This value indicates how much the change of a dependent variable is caused by the change of the independent ones
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