Application of Finite Mixture of Logistic Regression for Heterogeneous Merging Behavior Analysis

Table 3

Descriptions of the explanatory variables.

Variable	Descriptions
(m)	The size of the offered gap of merging vehicle
(m/s)	The speed of merging vehicle at offered gap.
(m)	The longitudinal position of the merging vehicle to the start of the auxiliary lane.
(m/s)	The speed difference between the putative leading vehicle and the merging vehicle at offered gap .
(m/s)	The speed difference between the putative following vehicle and the merging vehicle at offered gap .
	Existence of a lead vehicle in the merge lane. If there is a lead vehicle in the merge lane, ; otherwise, .
(m)	Lead gap of merging vehicle in the auxiliary lane at offered gap .
(m)	The speed of the leading vehicle in the auxiliary lane at offered gap .
(m/s)	The speed difference between the leading vehicle in the auxiliary lane and the merging vehicle at offered gap .