y

x1

x2

x3

x4

y

1

−0.3747

−0.5330

−0.6003

−0.3095

x1

−0.3747

1

0.9402

0.9425

0.9461

x2

−0.5330

0.9402

1

0.9251

0.9161

x3

−0.6003

0.9425

0.9251

1

0.9048

x4

−0.3095

0.9461

0.9161

0.9048

1