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All Journal Jurnal Krisnadana
Sri Andayani
Puskesmas Sumberberas, Dinas Kesehatan Kabupaten Banyuwangi, Banyuwangi, Indonesia
Computer Science & IT Control & Systems Engineering

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Forecasting Diarrhea Incidence Using ARIMA, SARIMA, and Autotuned SARIMA Models Dedy Hidayat Kusuma; Moh Nur Shodiq; Herman Yuliandoko; Muh. Fuad Al Haris; Sri Andayani
Jurnal Krisnadana Vol 5 No 1 (2025): Jurnal Krisnadana- in Progress September-October 2025
Publisher : Yayasan Sinergi Widya Nusantara (Sidyanusa)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58982/krisnadana.v5i1.972

Abstract

Diarrhea remains a major public health concern in developing countries, including Indonesia, contributing significantly to morbidity and mortality among children under five years old. Its incidence fluctuates due to environmental factors, making accurate forecasting essential for effective health resource planning. This study aims to predict monthly diarrhea cases at Community Health Center Sumberberas, Banyuwangi, from January 2023 to May 2025 using three time series models: ARIMA, SARIMA, and SARIMA with autotuning. A quantitative approach was applied, consisting of data preprocessing, model construction, evaluation, and comparison. Model performance was assessed using Mean Absolute Error (MAE), Root Mean Squared Error (RMSE), Akaike Information Criterion (AIC), and Bayesian Information Criterion (BIC). The results show that the SARIMA with autotuning model achieved the lowest MAE, RMSE, AIC, and BIC values, demonstrating superior accuracy and model fit compared to ARIMA and manually tuned SARIMA. These findings indicate that SARIMA with autotuning provides the most reliable forecasts for short-term diarrhea incidence, supporting data-driven decision-making and the development of early warning systems for disease prevention and control.
Co-Authors Dedy Hidayat Kusuma Herman Yuliandoko Moh Nur Shodiq Muh. Fuad Al Haris