Highlights A framework of using interpretable machine learning approaches for modeling and in investigating travel satisfaction. Interpreting effects of factors via well-trained “black-box” machine learning algorithms. Data-driven methods to estimate weights of service attributes on travel satisfaction considering correlations. Data-driven and unbiased estimations to reveal complex nonlinear and interaction effects of factors on travel satisfaction.

    Abstract Improving passengers’ satisfaction is crucial for airline industry and requires in-depth understandings regarding the complex effects of various factors. This study investigates the importance, complex nonlinear effects and interaction effects of various factors (including passenger characteristics and service attributes) on airline travel satisfaction in data-driven manners leveraging machine-learning (ML) approaches. The results show that ML algorithms such as Random Forest have superiority in modeling airline travel satisfaction as compared to conventional logistic regressions. The quantitative importance of various factors is estimated and compared to reveal key determinants of passengers’ satisfaction using permutation-based importance and accumulated local effect analysis. More importantly, results suggest that the main effects of service attributes present piecewise nonlinear patterns. There are piecewise interaction effects between passenger characteristics and service attributes and among service attributes on airline travel satisfaction. Practical implications on efficient and cost-effective measures of promoting satisfaction are derived and discussed based on the findings.


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    Title :

    Examining nonlinear and interaction effects of multiple determinants on airline travel satisfaction


    Contributors:
    Gao, Kun (author) / Yang, Ying (author) / Qu, Xiaobo (author)


    Publication date :

    2021-01-01




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English





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