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Table 2 Loadings of the physiological and behavioural parameters measured during the playbacks on the principal components with eigenvalue > 1 (PC1 to PC3 on a total of 9)

From: Perception of emotional valence in horse whinnies

   Principal components
Parameters PC1 PC2 PC3
Physiology RR -0.74 0.36 -0.08
RespRate 0.37 -0.58 -0.15
SkinT 0.38 -0.09 -0.39
Behaviour Locomotion 0.74 -0.35 0.05
HeadMov 0.48 0.51 0.20
HeadHigh 0.40 0.72 0.02
Chewing 0.03 0.15 -0.89
VocRate 0.60 -0.23 0.11
LatenceRes -0.58 -0.64 0.05
Eigenvalue   1.57 1.36 1.02
% variance   27.24 20.56 11.49
  1. Bold types indicate the heaviest factor loadings (|r| > 0.40). Eigenvalues and variances explained are given at the bottom of the table (see Table 1 for abbreviation of the parameters)
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Frontiers in Zoology

ISSN: 1742-9994