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Table 4 Characteristics of retained components from PCA of BPHS variables

From: BPEX Pig Health Scheme: a useful monitoring system for respiratory disease control in pig farms?

Components
(Eigenvalues)
BPHS 1
(2.75)
BPHS 2
(1.32)
BPHS 3
(1.12)
Unexplained
Variance
EP score 0.51 -0.20 0.13 38.5%
Severe pleurisy 0.56 -0.04 -0.17 31.7%
Mild pleurisy 0.17 0.81 0.10 18.4%
Acute pleuropneumonia 0.40 -0.42 -0.07 45.2%
Viral-type lesions 0.31 0.12 0.79 13.4%
Pericarditis 0.37 0.33 -0.56 25.7%