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All Journal JUITA : Jurnal Informatika EDUKASIA: Jurnal Penelitian Pendidikan Islam
Safril Ahmadi Sanmas
Universitas Muhammadiyah Semarang
Computer Science & IT

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Comparison Analysis of Hierarchical Clustering and K-Means Methods in Grouping Provinces in Indonesia Based on Dengue Hemorrhagic Fever (DHF) Cases Alfidha Rahmah; Nida Faoziatun Khusna; Safril Ahmadi Sanmas; Syifa Aulia; Shinta Amaria; Fatkhurokhman Fauzi
JUITA: Jurnal Informatika JUITA Vol. 13 Issue 2, July 2025
Publisher : Department of Informatics Engineering, Universitas Muhammadiyah Purwokerto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30595/juita.v13i2.26131

Abstract

Indonesia, a tropical country, experiences climate variations that influence the spread of infectious diseases, including Dengue Hemorrhagic Fever (DHF). The increase in DHF cases necessitates clustering provinces based on their vulnerability to design effective mitigation strategies. This study compares two clustering methods: Hierarchical Clustering and K-Means Clustering. Within the hierarchical clustering analysis, five linkage methods were evaluated: Average Linkage, Complete Linkage, Single Linkage, Ward’s Method, and Centroid Linkage. The best linkage method was identified using the cophenetic correlation coefficient, indicating that Average Linkage produced the most representative cluster structure, resulting in three distinct groups. For the K-Means method, the optimal number of clusters was determined using the Silhouette Coefficient, which also indicated three clusters. Clustering performance evaluation revealed that Average Linkage outperformed K-Means, with a higher Silhouette Score of 0.552. The resulting clusters categorized provinces into three risk groups: high-risk areas (e.g., DKI Jakarta), moderate-risk areas (e.g., West Java and East Java), and low-risk areas, comprising the remaining provinces in Indonesia
Cultivating Social and Environmental Awareness through Islamic Religious Education: Insights into Behavioral Transformation among University Students Ali Imron; Mamdukh Budiman; Gautam Kumar Jha; Rina Priarni; Safril Ahmadi Sanmas
EDUKASIA Vol 20, No 1 (2025): EDUKASIA
Publisher : Program Studi Pendidikan Agama Islam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21043/edukasia.v20i1.31383

Abstract

The gap between value-based education and its real-world impact on students’ social and environmental engagement remains a pressing issue in higher education. This study examines whether Islamic Religious Education (PAI) effectively enhances students social awareness and environmental responsibility. Employing a quantitative comparative survey, the research involved 214 university students from five Central Java institutions who had completed the PAI course. Results showed statistically significant improvements (p < 0.05) in students’ awareness of social issues (Z = -6.842), environmental cleanliness (Z = -6.188), and involvement in social activities (Z = -2.697) after taking the course. These findings highlight the positive influence of PAI in shaping socio-environmental attitudes and suggest the need to integrate contemporary social and ecological issues into curriculum to maximize its transformative impact.
Co-Authors Alfidha Rahmah Ali Imron Fauzi, Fatkhurokhman Gautam Kumar Jha Mamdukh Budiman Nida Faoziatun Khusna Rina Priarni Shinta Amaria Syifa Aulia