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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