Rational distance D+

Negative distance D−

Relative proximity C

Rank

Qinghai

5208.732

1.871

0.000

9

Sichuan

1834.509

3378.626

0.648

3

Gansu

4763.471

447.873

0.086

7

Ningxi

5140.789

68.727

0.013

8

Inner Mongolia

4137.799

1074.104

0.206

6

Shaanxi

3482.264

1753.008

0.335

4

Shanxi

4122.157

1088.268

0.209

5

Henan

1384.871

3848.761

0.735

2

Shandong

89.726

5207.111

0.983

1