Table 7 Data mean vector \(\:{\overline{X}}^{\left(j\right)}\).

From: Location optimization of cold chain logistics parks based on Bayesian probability theory and K-means clustering analysis in China

Classification

GDP (100 million RMB)

Fixed asset investment (100 million RMB)

Proportion of the tertiary industry (%)

Highway freight volume (10 thousand tons)

Total output value of primary industries (100 million RMB)

Total retail and wholesale volume (100 million RMB)

Per capita disposable income of urban residents (RMB)

Highway mileage (km)

Class 1

0.7355

0.8086

0.5603

0.7103

0.1281

0.7911

0.9227

0.1801

Class 2

0.2562

0.2122

0.1513

0.5114

0.8699

0.334

0.2928

0.7636

Class 3

0.0922

0.0732

0.1245

0.1097

0.2873

0.0998

0.3527

0.2381

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