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Iteratively Specified Tree-Based Regression: Theory and Trip Generation Example
Publisher: American Society of Civil Engineers
Abstract: Ordinary least-squares (OLS) regression is routinely applied by transportation analysts to forecast energy use, trip attractions, trip productions, automobile emissions, VMT growth, pavement condition, and accident occurrence ...
Modeling Crash Types: New Insights into the Effects of Covariates on Crashes at Rural Intersections
Publisher: American Society of Civil Engineers
Abstract: Many studies focused on the development of crash prediction models have resulted in aggregate crash prediction models to quantify the safety effects of geometric, traffic, and environmental factors on the expected number ...
Structural Equation Model of Construction Contract Dispute Potential
Publisher: American Society of Civil Engineers
Abstract: This paper presents the results of a structural equation model (SEM) for describing and quantifying the fundamental factors that affect contract disputes between owners and contractors in the construction industry. Through ...
Identifying Large Truck Hot Spots Using Crash Counts and PDOEs
Publisher: American Society of Civil Engineers
Abstract: Large trucks are involved in a disproportionately small fraction of the total crashes but a disproportionately large fraction of fatal crashes. Large truck crashes often result in significant congestion due to their large ...
Framework for Measuring Corporate Safety Culture and Its Impact on Construction Safety Performance
Publisher: American Society of Civil Engineers
Abstract: This paper presents the results of a structural equation model (SEM) that describes and quantifies the relationships between corporate culture and safety performance. The SEM is estimated using 196 individual questionnaire ...
Analysis of Distance Learner Value Assessment of Distance Education in Engineering
Publisher: American Society of Civil Engineers
Abstract: Numerous research studies have evaluated whether distance learning is a viable alternative to traditional learning methods. These studies have generally made use of cross-sectional surveys for collecting data, comparing ...