Variables

Communalities

Factors

Initial

Extracted

1

2

EC

1.00

0.95

0.85

0.48

Ca²⁺

1.00

0.76

0.72

0.44

Mg²⁺

1.00

0.84

0.75

0.33

Na⁺

1.00

0.78

0.75

0.29

$HC{O}_3^{-}$

1.00

0.72

0.88

−0.36

Cl⁻

1.00

0.63

0.35

0.80

$S{O}_4^{2-}$

1.00

0.55

0.49

0.61

$N{O}_3^{-}$

1.00

0.60

0.00

0.91

Eigenvalue

4.6

1.5

% of variance explained by the factor

57.4

19.1

Cumulative % of the variance

57.4

76.5