Chapter
Jul 2, 2019
Applying the Support Vector Machine to Predicting Headway-Based Bus Bunching
Authors: Junjian Yang [email protected], Hang Zhou [email protected], Xuewu Chen [email protected], and Long Cheng [email protected]Author Affiliations
Publication: CICTP 2019
Abstract
Bus bunching seriously damages the quality of transit service. This paper proposes a predictive approach to detect the occurrence of bus bunching depending on transit smart card data analysis. Several different support vector machine (SVM) algorithms are established to detect bus bunching based on the stop-level headway irregularity. An empirical experiment in Changzhou is conducted to analyze and compare the performances of different algorithms in practical applications. By comparing the prediction accuracy and computation efficiency, the optimal model is determined under different scenarios. The results suggest transit operators should use least squares support vector machine with linear kernel when the size of training dataset is large. Traditional SVM with linear kernel might be a better option for ensuring the prediction accuracy on smaller datasets. This strategy may improve transit service and increase transit ridership.
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© 2019 American Society of Civil Engineers.
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Published online: Jul 2, 2019
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Jiangsu Key Laboratory of Urban ITS, Jiangsu Province Collaborative Innovation Center of Modern Urban Traffic Technologies, School of Transportation, Southeast Univ., Southeast University Rd. #2, Nanjing, Jiangsu 211189, China. E-mail: [email protected]
Jiangsu Key Laboratory of Urban ITS, Jiangsu Province Collaborative Innovation Center of Modern Urban Traffic Technologies, School of Transportation, Southeast Univ., Southeast University Rd. #2, Nanjing, Jiangsu 211189, China. E-mail: [email protected]
Jiangsu Key Laboratory of Urban ITS, Jiangsu Province Collaborative Innovation Center of Modern Urban Traffic Technologies, School of Transportation, Southeast Univ., Southeast University Rd. #2, Nanjing, Jiangsu 211189, China. E-mail: [email protected]
Dept. of Geography, Ghent Univ., Krijgslaan 281 S8, Ghent 9000, Belgium. E-mail: [email protected]
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