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Table 5 Principal component loadings for the three PCA analyses using orthogonal rotation

From: Ear biometrics for patient identification in global health: a cross-sectional study to test the feasibility of a simplified algorithm

Left ear Right ear Both ears
Variable PC 1 Variable PC 1 PC 2 Variable PC 1
CR3 0.98 CR3 0.94 −0.07 CR3 0.97
CR4 0.95 CR4 0.93 0.26 CR4 0.95
CR3 0.93 CR5 0.89 0.40 CR5 0.91
CR2 0.90 CR6 0.84 0.50 O3 0.89
CR5 0.90 O2 0.80 −0.43 O2 0.88
O2 0.89 O3 0.76 −0.20 CR2 0.84
CR6 0.78 CR7 0.75 0.59 CR6 0.84
CR1 0.66 CR2 0.66 −0.63 CR7 0.69
O1 −0.89 O1 −0.80 0.15 O1 −0.88
I2 −0.16 CR1 0.35 −0.82 I2 −0.08
CR7 0.53 I2 0.22 0.33 I3 −0.25
I1 0.13 I3 −0.24 0.52 CR1 0.55
I3 −0.24 I1 0.56 −0.03 I1 0.34