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http://dx.doi.org/10.15207/JKCS.2021.12.10.037

Implementation of a Machine Learning-based Recommender System for Preventing the University Students' Dropout  

Jeong, Do-Heon (College of Global Convergence Studies, Duksung Women's University)
Publication Information
Journal of the Korea Convergence Society / v.12, no.10, 2021 , pp. 37-43 More about this Journal
Abstract
This study proposed an effective automatic classification technique to identify dropout patterns of university students, and based on this, an intelligent recommender system to prevent dropouts. To this end, 1) a data processing method to improve the performance of machine learning was proposed based on actual enrollment/dropout data of university students, and 2) performance comparison experiments were conducted using five types of machine learning algorithms. 3) As a result of the experiment, the proposed method showed superior performance in all algorithms compared to the baseline method. The precision rate of discrimination of enrolled students was measured to be up to 95.6% when using a Random Forest(RF), and the recall rate of dropout students was measured to be up to 80.0% when using Naive Bayes(NB). 4) Finally, based on the experimental results, a method for using a counseling recommender system to give priority to students who are likely to drop out was suggested. It was confirmed that reasonable decision-making can be conducted through convergence research that utilizes technologies in the IT field to solve the educational issues, and we plan to apply various artificial intelligence technologies through continuous research in the future.
Keywords
Technological convergence; Dropouts; Automatic classification; Machine learning; Recommender system;
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