Table 4 PCA eigenvalues and variance explanation for radioactive elements in Nasser Lake.

From: Assessment of radioactive substance transfer and its ecological and health impacts on the Nasser Lake ecosystem

PCs

Eigenvalue

Percentage of Variance

Cumulative

1

11.28426

0.9404

0.9404

2

0.45259

0.0377

0.9781

3

0.13171

0.0110

0.9890

4

0.05730

0.0048

0.9938

5

0.04037

0.0034

0.9972

6

0.02408

0.0020

0.9992

7

0.00572

0.0005

0.9997

8

0.00326

0.0003

0.9999

9

0.000701

0.0001

1

10

0

0

1

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