ARRUS Journal of Mathematics and Applied Science, Vol. 5 No. 2 (2025) (December 2025) – 5 articles

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Classification of Family Welfare Card Recipients in Makassar City Using Decision Tree Algorithms

by Zulkifli Rais, Muhammad Fahmuddin S, Musfira Musfira
ARRUS Journal of Mathematics and Applied Science 5(2), 72-81; https://doi.org/10.35877/mathscience4783 - 2025-12-02
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Abstract This study aims to analyze the factors influencing the determination of recipients of the Family Welfare Card (KKS) program in Makassar City and evaluate the level of accuracy of the decision tree model in the classification process. The KKS program is a government effort to accelerate [...] Read more.
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A Hybrid Neural Network Approach Using SOM and LVQ for Mapping Crime Clusters in Indonesia

by Zulkifli Rais, Sitti Masyitah Meliyana, Dinda Warfani Hasbullah
ARRUS Journal of Mathematics and Applied Science 5(2), 61-71; https://doi.org/10.35877/mathscience4782 - 2025-12-02
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Abstract Crime ratehigh crime rates in Indonesia are one of the important issues that need to be addressed with data-based strategies. This study aims to group provinces in Indonesia based on crime patterns using Self-Organizing Map (SOM) and classify the results using Learning Vector Quantization [...] Read more.
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Development of Project-Based Mathematics Module to Enhance 21st Century Skills of Junior High School Students

by Ranak Lince, Husnaeni, Rustam
ARRUS Journal of Mathematics and Applied Science 5(2), 54-60; https://doi.org/10.35877/mathscience3809 - 2025-12-02
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Abstract This study aims to develop a project-based mathematics module to enhance 21st century skills of junior high school students. The ADDIE (Analysis, Design, Development, Implementation, Evaluation) development model was employed in this research. The results indicate that the developed module [...] Read more.
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Implementation of Support Vector Regression (SVR) and Double Exponential Smoothing (DES) for Forecasting BRI Stock Prices

by Sitti Masyitah Meliyana, Muhammad Kasim Aidid, Amaliyah Rahmadhani
ARRUS Journal of Mathematics and Applied Science 5(2), 42-53; https://doi.org/10.35877/mathscience4282 - 2025-12-02
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Abstract This study aims to forecast the closing stock prices of BRI using Support Vector Regression (SVR) and Double Exponential Smoothing (DES) methods. The data used in this research is secondary data obtained from the Yahoo Finance website, covering the period from January 2020 to November 2023. [...] Read more.
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The Analysis Of Mathematical Connection Ability In Two-Variabel Linear Equation System Based On Self Regulated Learning Of Students In VIII Grade Of Mts Negeri 1 Kota Makassar

by Nur Fadillah Musfira, Nurdin Arsyad, Rusli Rusli, Hastuty Musa, Abdul Rahman
ARRUS Journal of Mathematics and Applied Science 5(2), 31-41; https://doi.org/10.35877/mathscience4088 - 2025-12-02
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Abstract This study aims to analyze students' mathematical connection skills based on self-regulated learning in solving math problems in the Two-Variable Linear Equation System  material. This research is qualitative research with a descriptive approach. The subjects in this study were class [...] Read more.
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