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Journal of Wood Science

Official Journal of the Japan Wood Research Society

Table 3 Eigenvalue, proportion, cumulative proportion, and eigenvector calculated using the principal component analysis of climatic conditions

From: Effects of climate change on reduction of internal bond strength of particleboard subjected to various climatic conditions in Japan

 

PC1

PC2

PC3

Eigenvalue

2.34

0.477

0.186

Proportion (%)

77.9

15.9

6.19

Cumulative proportion (%)

77.9

93.8

100

Eigenvector

 T

0.605

−0.303

0.736

 P

0.531

0.842

−0.090

 S

0.593

−0.445

−0.671

  1. Principal component analysis was conducted using the T, P, and S listed in Table 2. Prior to principal component analysis, the T, P and S were standardized
  2. PC1 first principal component, PC2 principal component, PC3 third principal component, T annual mean temperature, P annual precipitation, S annual solar radiation
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