Research Article
Traffic Risk Assessment Based on Warning Data
Table 3
The explanatory variables to be selected for the model.
| | Explanatory variables to be selected | Mean value | Remarks |
| | Built environment | Number of residential land-based POIs | 2.84 | Residential | | Number of public service-type POIs | 19.00 | Public | | Number of commercial service-oriented POIs | 58.39 | Commercial | | Number of industrial land-type POIs | 11.67 | Industrial | | Number of transportation facility-based POIs | 5.94 | Transportation | | Number of greenfield plaza-type POIs | 1.42 | Square | | Total POI distribution | 99.27 | POI_total | | POI mixing degree | 2.22 | POI_gini | | Number of bus stops | 2.34 | Bus stop |
|
|
