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Heritage Science

Table 3 Total variance explained

From: Evaluation of Chinese traditional military settlements’ defensive capabilities via principal component analysis (PCA): a case study of coastal Wei forts in the Ming dynasty

 

Initial Eigenvalues

Total

% of variance (Y)

Cumulative%

PC1

2.753

18.354

18.354

PC2

2.414

16.09

34.444

PC3

2.061

13.742

48.186

PC4

1.424

9.495

57.681

PC5

1.185

7.903

65.585

PC6

1.113

7.42

73.005

PC7

0.87

5.799

78.804

PC8

0.723

4.819

83.622

PC9

0.621

4.139

87.762

PC10

0.619

4.125

91.887

PC11

0.374

2.493

94.38

PC12

0.325

2.167

96.547

PC13

0.243

1.623

98.169

PC14

0.2

1.332

99.501

PC15

0.075

0.499

100

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