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| Variable name | Explanation | Data types |
|
| Travel mode | Chosen travel mode for the trip (dependent variable): 1 = car, 2 = bike, 3 = transit, and 4 = walking | Categorical |
|
| Trip-related attributes | | |
| Activity duration | Duration of the activity | Numeric |
| Travel time | Travel time of the trip | Numeric |
| Departure time | 1 = the trip occurs in the morning or evening peak hours (8 A.M.–10 A.M. or 5 P.M.–7 P.M.); 0 = otherwise | Dummy |
| Trip type | Context of the trip: 1 = home-based work (HBW); 2 = home-based others (HBO); 3 = non-home-based others (NHBO); 4 = return home (RH) | Categorical |
|
| Tour-related attributes | | |
| Sum of activity duration | Sum of activity duration during a day excluding the last trip | Numeric |
| Sum of travel time | Sum of travel time during a day | Numeric |
| Number of trips | Number of trips that occurred during a day | Categorical |
| Tour type | Context of the tour: 1 = home-work-home (HWH); 2 = home-other-home (HOH); 3 = home-work-other-home (HOWH) | Categorical |
|
| Individual attributes | | |
| Age | Age of the traveller in years | Numeric |
| Gender | 1 = the traveller is male; 2 = the traveller is female | Dummy |
| Car owner | 1 = the household of traveller owns a car; 0 = otherwise | Dummy |
| Driver’s license | 1 = the traveller has a driver’s license; 0 = otherwise | Dummy |
| Income | Monthly household income of the traveller (million KRW): low = income < 5; high = income ≥ 5 | Dummy |
|
| Built environment attributes | | |
| Land use in D: residential | The ratio of residential area to the total area at D in TAZ unit | Numeric |
| Land use in D: commercial | The ratio of commercial area to the total area at D in the TAZ unit. | Numeric |
| Population density at D | Density of the population (people/km2) at the destination in the TAZ unit | Numeric |
| Number of workers at D | Number of workers at the destination in the TAZ unit | Numeric |
| Number of bus stops at D | Number of bus stops at the destination in the TAZ unit | Numeric |
| Number of subway stops at D | Number of subway stops at the destination in the TAZ unit | Numeric |
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