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All Journal Fraction: Jurnal Teori dan Terapan Matematika
Wulandari, Jenny
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Mathematics

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PERBANDINGAN METODE SARIMA DAN EXPONENTIAL SMOOTHING DALAM MEMPREDIKSI CURAH HUJAN DI KABUPATEN BANGKA TENGAH Amanda, Madhania Fitri; Syafar, Muhammad; Wulandari, Jenny; Shavira, Novenda; Aulia, Hilda Marsyawa; Syahfitri, Delia; Dalimunthe, Dessy Yuliana
Fraction: Jurnal Teori dan Terapan Matematika Vol. 4 No. 2 (2024): Fraction: Jurnal Teori dan Terapan Matematika
Publisher : Jurusan Matematika, Fakultas Teknik, Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/fraction.v4i2.64

Abstract

Indonesia is a country that has a tropical climate because it is located on the equator. The tropical climate has two seasons, namely the dry season and the rainy season. Each region has a different climate intensity. Rainfall is one of the elements of weather and climate that has an influence on tropical areas such as Indonesia. To find out changes in rainfall patterns, predictions of the amount of rainfall are carried out using past data. In this research, rainfall prediction uses two methods, namely the Seasonal Auto Regressive Integrated Moving Average (SARIMA) method and exponential smoothing with rainfall data from 2018-2023. SARIMA is an ARIMA method that was developed to use data patterns that repeat seasonally. in a fixed time such as quarterly, semi-annually and annually. Exponential smoothing is a moving average forecasting technique that weighs past data exponentially so that the most recent data has a weight or greater in the moving average. Based on the results of the research, it was found that the best method between SARIMA and Exponential Smoothing Winters Additive was Exponential Smoothing Winters Additive with an RMSE value of 3.283.
Co-Authors Amanda, Madhania Fitri Aulia, Hilda Marsyawa Dalimunthe, Dessy Yuliana Muhammad Syafar Shavira, Novenda Syahfitri, Delia