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Model Specification and Estimation Method for Traveler's Mode Choice Behavior in Pusan Metropolitan Area  

Kim, Ik-Ki (한양대학교 교통공학과)
Kim, Kang-Soo (교통개발연구원)
Kim, Hyoung-Chul (한양대학교 교통공학과)
Publication Information
Journal of Korean Society of Transportation / v.23, no.3, 2005 , pp. 7-19 More about this Journal
Abstract
Mode choice Analysis is essential analysis stage in transportation demand forecasting process. Therefore, methods for calibration and forecasting of mode choice model in aspect of practical view need to be discussed in depth. Since 1980s, choice models, especially Logit model, are spread widely and rapidly over academic area, research institutes and consulting firms in Korea like other developed countries in the world. However, the process of calibration and parameter estimation for practical application was not clearly explained in previous papers and reports. This study tried to explain clearly the calibration process of mode choice step by step and suggested a forecasting mode choice model that can be applicable in real policy analysis by using household survey data of Pusan metropolitan are. The study also suggested a way of estimating attributes which was not observed during the household survey commonly such as travel time and cost of unchosen alternative modes. The study summarized the statistical results of model specification for four different Logit models as a process to upgrade model capability of explanation for real traveler's choice behaviors. By using the analysis results, it also calculated the value of travel time and compared them with the values of other previous studies to test reliability of the estimated model.
Keywords
로짓모형;개별행태자료;네스티드 로짓모형;가구통행실태조사;수단선택모형;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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