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All Journal Abdi Jurnal Publikasi Journal of Innovative and Creativity
Syerikha Ananda
Universitas Pamulang
Computer Science & IT Education Languange, Linguistic, Communication & Media Mathematics Social Sciences Other

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Analisis Konsistensi Metode Elbow dan Silhouette Score dalam Klasterisasi pada Dataset Multisektor Nita Sutantri; Vinna Yunitasari; Ghany Rahmat Sa’adi; Syerikha Ananda; Zurnan Alfian
Journal of Innovative and Creativity Vol. 5 No. 2 (2025)
Publisher : Fakultas Ilmu Pendidikan Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/joecy.v5i2.1690

Abstract

Penelitian ini menganalisis konsistensi metode Elbow dan Silhouette Score dalam menentukan jumlah klaster optimal pada dataset multisektor menggunakan algoritma K-Means. Empat dataset dari sektor publik digunakan dalam penelitian ini, yaitu data mediasi peradilan (2006-2009), data koperasi simpan pinjam 2013, data penanganan kasus korupsi KPK (2004-2016), dan laporan keuangan PT Bank Artha Makmur 2017. Penelitian kuantitatif eksploratif ini menerapkan teknik preprocessing menggunakan StandardScaler, visualisasi data dengan PCA, dan evaluasi klasterisasi menggunakan kedua metode validasi. Hasil penelitian menunjukkan bahwa pada tiga dataset (mediasi peradilan, koperasi SP 2013, dan kasus korupsi KPK), kedua metode memberikan rekomendasi jumlah klaster yang konsisten. Namun, pada dataset laporan keuangan bank terjadi diskrepansi dimana Elbow Method merekomendasikan K=3 sedangkan Silhouette Score mengindikasikan K=2 sebagai optimal. Analisis lebih lanjut dengan pertimbangan domain knowledge mendukung pemilihan K=3 untuk dataset keuangan berdasarkan visualisasi PCA dan relevansi bisnis. Penelitian ini menyimpulkan bahwa kombinasi kedua metode validasi dengan pertimbangan konteks domain dapat meningkatkan akurasi penentuan klaster optimal, terutama pada data dengan kompleksitas tinggi. Temuan ini memberikan kontribusi pada pengembangan metodologi klasterisasi yang lebih robust untuk aplikasi di sektor publik.
PENGEMBANGAN E-SYSTEM MANAJEMEN DATA SISWA DAN KEUANGAN SEKOLAH BERBASIS WEB STREAMLIT Faiz Rizqi Hanafi; Auzriel Zidan Arby; Lilis Roudhotul Jannah; Muhammad Rizky Ramadhan; Milani Nuril Sandi; Nandang Adriansyah; Shanasha Aulia Dianthi; Syerikha Ananda; Thio Mandala Putra; Zaqhluul Farhan; Nardiono
Abdi Jurnal Publikasi Vol. 4 No. 3 (2026): Januari
Publisher : Abdi Jurnal Publikasi

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Abstract

The rapid development of information technology has encouraged educational institutions to adopt digital systems to improve administrative efficiency and data accuracy. However, many schools still rely on manual or semi-digital processes, particularly in managing student data and school financial administration. This condition was found at Sekolah Plus Pelita Insani Parung, where administrative and financial records were managed using spreadsheets, resulting in data duplication, reporting delays, and limited integration between student and financial data. This community service activity aims to develop a web-based e-system for student data and school financial management using the Streamlit framework, equipped with automated administrative reporting features. The implementation method included initial consultation, field observation, system design and development, system implementation, and training for administrative and financial staff. The developed system supports multi-user access, integrated student and financial data management, automated report generation, and data visualization to assist decision-making. The results show that the developed e-system successfully improves the efficiency and accuracy of administrative and financial data management. School staff were able to generate periodic reports more quickly and manage data in a centralized and structured manner. This system contributes to the digital transformation of school administration and enhances transparency and accountability in financial management.
Co-Authors Auzriel Zidan Arby Faiz Rizqi Hanafi Ghany Rahmat Sa’adi Lilis Roudhotul Jannah Milani Nuril Sandi Muhammad Rizky Ramadhan Nandang Adriansyah Nardiono Nita Sutantri Shanasha Aulia Dianthi Thio Mandala Putra Vinna Yunitasari Zaqhluul Farhan Zurnan Alfian