Research Article

A Bus-Service-Based Zone Division Approach for the Spatial Analysis of Public Bus: A Case Study in South China

Table 2

Variance inflation factor (VIF) of explanatory variables.

VariablesVIFs calculated based on the zone division result of the BS-based methodVIFs calculated based on the zone division result of the grid-based method

Number of shops1.341.44
Number of scenic spots1.241.24
Number of factories1.111.13
Number of automobile maintenance shops1.161.17