A note on out-of-sample prediction, marginal effects computations, and temporal testing with random parameters crash-injury severity models

Q Hou, X Huo, J Leng, F Mannering - Analytic methods in accident …, 2022 - Elsevier
Random parameters logit models have become an increasingly popular method to
investigate crash-injury severities in recent years. However, there remain potential elements …

Temporal stability of pedestrian injury severity in pedestrian-vehicle crashes: New insights from random parameter logit model with heterogeneity in means and …

A Zamani, A Behnood, SR Davoodi - Analytic Methods in Accident …, 2021 - Elsevier
Pedestrians can be categorized as the most vulnerable road users since they have less
protection compared to other road users, which makes their safety of utmost importance for …

Temporal stability of factors influencing driver-injury severities in single-vehicle crashes: A correlated random parameters with heterogeneity in means and variances …

C Se, T Champahom, S Jomnonkwao… - Analytic methods in …, 2021 - Elsevier
Undoubtedly, single-vehicle crashes remain a major concern for roadway users and
highway administrators, especially in low-and middle-income developing countries, where …

Addressing unobserved heterogeneity in the analysis of bicycle crash injuries in Scotland: A correlated random parameters ordered probit approach with …

G Fountas, A Fonzone, A Olowosegun… - Analytic Methods in …, 2021 - Elsevier
This paper investigates the determinants of injury severities in single-bicycle and bicycle-
motor vehicle crashes by estimating correlated random parameter ordered probit models …

The impact of weekday, weekend, and holiday crashes on motorcyclist injury severities: Accounting for temporal influence with unobserved effect and insights from out …

C Se, T Champahom, S Jomnonkwao… - Analytic methods in …, 2022 - Elsevier
This paper examines the differences between weekday, weekend, and holiday crashes on
the severity of motorcyclist injury using four-year motorcycle crash data in Thailand from …

Spatiotemporal instability analysis of injury severities in truck-involved and non-truck-involved crashes

C Wang, F Chen, Y Zhang, J Cheng - Analytic methods in accident …, 2022 - Elsevier
The truck involvement could potentially increase the crash frequency and resulted injury
outcomes and it is of great necessity to understand the similarities and differences in the …

A temporal assessment of distracted driving injury severities using alternate unobserved-heterogeneity modeling approaches

N Alnawmasi, F Mannering - Analytic methods in accident research, 2022 - Elsevier
This study explores temporal shifts in the effects of explanatory variables on the injury
severity outcomes of crashes involving distracted driving. Using data from distracted driving …

Differences of overturned and hit-fixed-object crashes on rural roads accompanied by speeding driving: Accommodating potential temporal shifts

X Yan, J He, G Wu, C Zhang, C Wang, Y Ye - Analytic methods in accident …, 2022 - Elsevier
Overturned crashes are associated with a disproportionate number of severe injuries and
fatalities, while hit-fixed-object crashes are acknowledged as the most frequent single …

Temporal stability of the impact of factors determining drivers' injury severities across traffic barrier crashes in mountainous regions

D Song, X Yang, PC Anastasopoulos, X Zu… - Analytic methods in …, 2023 - Elsevier
Traffic barrier crashes have been a major concern in many prior studies in traffic safety
literature, especially in the crash-prone sections of mountainous regions. However, the effect …

Temporal instability and age differences of determinants affecting injury severities in nighttime crashes

X Yan, J He, C Zhang, C Wang, Y Ye, P Qin - Analytic methods in accident …, 2023 - Elsevier
Driving at nighttime may make drivers more likely to be involved in fatal crashes. To
investigate the temporal instability and age differences of contributors determining different …