主成分分析

Pearson’s相关性分析

元素

PC1

PC2

PC3

HMs

As

Pb

Hg

Cr

Cd

As

0.558

−0.632

0.130

As

1

Pb

0.827

−0.093

0.199

Pb

0.422^**

1

Hg

0.051

0.017

0.978

Hg

0.101

0.170*

1

Cr

0.202

0.844

0.067

Cr

−0.184*

0.100

0.012

1

Cd

0.736

0.254

−0.133

Cd

0.108

0.358**

0.036

0.122

1

特征值

1.665

1.176

0.962

贡献值/%

31.63

23.72

20.69

累积贡献值/%

31.63

55.35

76.04