Fig 1.
Changes in online retail sales and express delivery business volume during the decade between 2010 and 2020.
Fig 2.
Location of Nanjing, China.
Fig 3.
Changes in the number of express delivery sites in Nanjing from 2015 to 2021.
Table 1.
Average nearest neighbor analysis results.
Table 2.
Selection of independent variable selection.
Fig 4.
Distribution map of express delivery stations in the central area of Nanjing in 2021.
Table 3.
Calculation results of commonly used machine learning algorithm models.
Table 4.
Influence level of independent variables.
Fig 5.
Relationship between express delivery stations and population density.