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All Journal JURNAL MATEMATIKA STATISTIKA DAN KOMPUTASI
Mutiara Qalbu
Statistics Department, Faculty of Mathematics and Natural Sciences, Sebelas Maret University
Mathematics

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Rupiah Exchange Rate Forecast Against the United States Dollar Using the Singular Spectrum Analysis Method Mutiara Qalbu; Etik Zukhronah; Irwan Susanto
Jurnal Matematika, Statistika dan Komputasi Vol. 22 No. 3 (2026): May 2026
Publisher : Department of Mathematics, Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/j.v22i3.50120

Abstract

Singular Spectrum Analysis (SSA) is a nonparametric time series forecasting method that decomposes a time series into signal and noise components without relying on predetermined model assumptions. This study aims to forecast the rupiah exchange rate against the United States Dollar (USD) using the Singular Spectrum Analysis (SSA) method based on data from the period August 2023 to August 2024. The in-sample data consists of 191 points from August 1, 2023, to May 21, 2024, while the out-of-sample data consists of 48 points from May 22, 2024, to August 1, 2024. The results showed that the SSA method achieved Mean Absolute Percentage Error (MAPE) values of 0.44% on in-sample data and 0.64% on out-of-sample data, indicating that the method is quite effective in predicting the rupiah exchange rate against the USD.
Co-Authors Etik Zukhronah Irwan Susanto