Department of Logistics Management Shu-Te University Kaohsiung 82445 China;
Department of Risk Management and Insurance National Kaohsiung First University of Science and Technology Kaohsiung 811 China;
Department of Management Information System Yung-Ta Institute of Technology and Commerce Pingtung County 90941 China;
Department of Business Administration National Pingtung University of Science and Technology Pingtung China;
Department of Business Administration MingDao University ChangHua52345 China;
binary logistic regression; cumulative logistic regression model; goodness-of-fit; internal solitary wave; amplitude-based transmission rate;