Table 8 Discriminant function matrix \(\:{\:C}_{j}^{{\prime\:}}\)​.

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

0.020285

− 0.177026

25.608561

− 0.002722

0.024076

0.174998

− 0.001926

0.020285

Class 2

0.012395

− 0.155126

20.923543

− 0.001613

0.086437

0.166339

0.000605

0.012395

Class 3

0.027047

− 0.205943

23.229428

− 0.001916

0.006915

0.096700

− 0.002051

0.027047