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Journal : Journal of Applied Data Sciences

Optimizing Stunting Detection through SMOTE and Machine Learning: a Comparative Study of XGBoost, Random Forest, SVM, and k-NN Sugihartono, Tri; Wijaya, Benny; Marini, Marini; Alkayess, Ahmad Paqih; Anugerah, Hendra Agustian
Journal of Applied Data Sciences Vol 6, No 1: JANUARY 2025
Publisher : Bright Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47738/jads.v6i1.494

Abstract

Stunting is a vital public health priority that affects millions of children from all over the world, especially in developing countries, where chronic malnutrition impairs their physical growth and cognitive development. Early detection of stunting is necessary for its timely intervention to reduce long-lasting effects. The following study deals with the application of higher-end machine learning techniques in order to detect stunting with more accuracy, using XGBoost, Random Forest, SVM, and k-NN algorithms. Using a dataset sourced from Kaggle, containing 10,000 samples of anthropometric and demographic features, we addressed the significant class imbalance of the data; the number of samples representing stunted children was only 15% of the total. We surmounted this limitation using SMOTE to generate synthetic data in order to balance the representation for this minority class. Further feature selection to improve the performance and interpretability of the model was done using backward elimination, where less impactful features like "Body Length" and "Breastfeeding" were systematically excluded, while putting more emphasis on more predictive variables such as weight, age, and socio-economic indicators. The evaluation of machine learning models showed significant improvements in performance with the integration of SMOTE and optimized feature selection, especially regarding recall and ROC-AUC metrics, which are critical in healthcare settings where the minimization of false negatives is of high importance. XGBoost was the best-performing model among those evaluated, yielding an accuracy of 0.8574, a recall of 0.8914, and an ROC-AUC of 0.9311, hence balancing precision and sensitivity more appropriately than other models. These results emphasize the efficiency of XGBoost in stunting detection while overcoming challenges arising from imbalanced datasets. It then illustrates the potential of merging machine learning techniques with synthetic data augmentation methodologies for the optimization of outcomes related to population health, and forms a basis for healthcare practitioners and policymakers by locating the at-risk children on time. The findings not only point to the importance of advanced data-driven approaches in stunting detection but also lay the ground for future research on machine learning applications in the fight against other malnutrition-related public health challenges, which could be crucial for improving child health and well-being across the world.
Co-Authors ., Andalucia Aan Zulyanto, Aan Abas, Abas Abda Abda Afandi Afandi Afrianto, Evo Ahmad Sopian, Ahmad Ahmad Suriansyah Aisyah, Chairini Aji, Kuna Akhmad Nayazik Alamri, Annisa Rizqa Alamsyah, Ardaffillah Alfaed, Dodi Ali Ibrahim Alkayess, Ahmad Paqih Ambarwati, Surya Amelinda, Irma Amin Retnoningsih Aminu, Nurmin Aminuyati Amsi, Al Mujaddidah Hidayah Amsina, Nuryani Andayani, Lies Andika Andika Andini, Afnan Triyuning Andini, Meri Angga Dewi, Widya Novi Ani Siti Wiryani Anisah Anisyah Yuniarti Antonia Sasap Abao, Antonia Sasap Anugerah, Hendra Agustian AP, Margaretha Andriani Aprianto, Didik Ardi Santoso, Didik Ari Amir Alkodri Arif Budiyanto Aris Wahyu Kuncoro Aristiana Prihatining Rahayu, Aristiana Prihatining Arkanudin Arkanudin Arumsari, Andini Dwi Ary Dwi Jatmiko Aslamiah Aslamiah Asminar Asminar Astri Pratiwi, Astri Aulia, Hana Farhanafiza Azhari, Sri Vita Azizah Alhadi, Izzah Azkia, Resyadilla Azmi Darotulmutmainnah Bahri, Taufik Yuandika Bahrun, Khairul Bakri, Abu Rizal Baroroh, Hilmy Baroroh, Siti Batualo, Ignasia Debby Budi Astuti Cale, Woolnough Carsita, Ii Catur Sugiyanto Chainar, Chainar Cindy Deviani Dahniar Th. 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