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Predicting Determinants of Lifelong Learning Intention Using Gradient Boosting Machine (GBM) with Grid Search

Author

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  • Chayoung Kim

    (College of Liberal Arts and Interdisciplinary Studies, Kyonggi University, 154-42, Gwanggyosan-ro, Yeongtong-gu, Suwon-si 16227, Gyeonggi-do, Korea)

  • Taejung Park

    (Department of Life-Long Education & Counseling, College of Future Convergence, Pukyong National University, 45, Yongso-ro, Nam-gu, Busan 48513, Korea)

Abstract

The purpose of this study is to explore the factors that have the most decisive influence on actual learning intention that leads to participation in adult education. For developing the predictive model, we used tree-based machine learning, with the longitudinal big data (2017~2020) of Korean adults. Based on the gradient boosting machine (GBM) results, among the eleven variables used, the most influential variables in predicting the possibility of lifelong education participation were self-pay education expenses and then highest level of education completed. After the grid search, not only the importance of the two variables but also the overall figures including the false positive rate improved. In future studies, it will be possible to improve the performance of the machine learning model by adjusting the hyper-parameters that can be directly set by less computational methods.

Suggested Citation

  • Chayoung Kim & Taejung Park, 2022. "Predicting Determinants of Lifelong Learning Intention Using Gradient Boosting Machine (GBM) with Grid Search," Sustainability, MDPI, vol. 14(9), pages 1-13, April.
    • Handle: RePEc:gam:jsusta:v:14:y:2022:i:9:p:5256-:d:803110
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    References listed on IDEAS

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    1. Taejung Park & Chayoung Kim, 2020. "Predicting the Variables That Determine University (Re-)Entrance as a Career Development Using Support Vector Machines with Recursive Feature Elimination: The Case of South Korea," Sustainability, MDPI, vol. 12(18), pages 1-11, September.
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    Cited by:

    1. Daifeng Xiang & Gangsheng Wang & Jing Tian & Wanyu Li, 2023. "Global patterns and edaphic-climatic controls of soil carbon decomposition kinetics predicted from incubation experiments," Nature Communications, Nature, vol. 14(1), pages 1-14, December.

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