Table 6 Characteristics of principal components.

From: Ecological geological vulnerability assessment in Northern Shanxi Province (China) based on sensitivity resilience pressure (SRP) model

Principal component

Eigenvalue

Contribution rate /%

Cumulative contribution rate /%

F1

7.94

31.38

31.38

F2

6.39

25.26

56.63

F3

2.84

11.24

67.87

F4

2.11

8.35

76.22

F5

1.76

6.95

83.17

F6

1.53

6.05

89.22

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