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Journal : data science insights

Comparison of k-Means and Hierarchical Clustering (Ward) Methods for Clustering Regencies/Cities Based on the Food Security Index in West Java Province Al Aghni Naufalia; Nurmawati Ainun Hidayana; Muhammad Bahaudin; Fathir Naufal Hasan; M Al Haris; Alwan Fadlurohman
Data Science Insights Vol. 4 No. 2 (2026): Journal of Data Science Insights
Publisher : PT. Visi Media Network

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63017/jdsi.v4i2.241

Abstract

Food security in West Java Province exhibits significant variation across regencies/cities, influenced by differences in socioeconomic conditions, health, and sanitation. This condition necessitates an analytical approach based on regional clustering to support the formulation of more precise policies. This study aims to cluster regions based on the Food Security Index (FSI) and to evaluate the performance of K-Means and Hierarchical Clustering (Ward) in producing an optimal cluster structure. The data used comprised 27 regencies/cities with eight standardized FSI indicators. Cluster quality was evaluated using the Silhouette Coefficient and the Davies-Bouldin Index. The results indicate that the optimal FSI structure is divided into three clusters, each exhibiting distinct regional characteristics. Both methods produced consistent patterns; however, K-Means demonstrated superior performance to Ward, yielding a Silhouette Coefficient of 0.3048 and a Davies-Bouldin Index of 1.0725, which were respectively higher and lower than those obtained by Ward (0.2806 and 1.1241). This finding indicates the superiority of K-Means in forming more compact and well-separated clusters within relatively homogeneous data. Further analysis reveals that disparities in food security are primarily influenced by access to sanitation, poverty, education, and the ratio of health workers. This study provides empirical evidence on the effectiveness of clustering methods for FSI analysis and offers a regional clustering framework capable of supporting data-driven food security policy formulation at the regional level.
Co-Authors Abdul Ghufron Abidah, Khansa Ni'mal Abimanyu Arya Ramadhan Ach Ridoi Alambara Adhwaningrum, Arullah Salsabila Agata Dwi Putri Putri Agi Khoerunnisa Ahmad Jundi Ismail AHMADI Ainurrafiq Dawam Ainurrofiah, Safira Al Aghni Naufalia Albertus Dion Sarah Ali Imron Ali Imron Alia Permata Alwan Fadlurohman Alya Febriyani Amalia Jihan Syafiqoh Amin Samiasih Amri, Saeful Amrullah, Ahmad Amrullah, Setiawan Anggoro, Vernanda Kresna Anis Priyanti Anne Mutiara Wardani Ardana Setiawan, Deftha Ariska Fitriyana Ningrum Arya Praditya Arya, Abimanyu Asriyanti Sawiah Adam Astuti, Sofi Anggi Asyfani, Yusrisma Aulia Dewi Gustiarni Aulia Fadhli Boer Ayesha Nayla Salsadella Ayomi, Nun Maulida Suci Ayu Wulandari Ayuda Nur Sukmawati Azzahrani, Rahma Dewi Bahaudin, Muhammad Barlian, Seftia Amelia Rizki Bunga Ayuningrum Choirudin, Mochamad Fahmi Choirunnisa Hasna Nisa Cika Awani Ayuwida Dannu Purwanto danu priambodo Dea Zahra Khairunnisa Devina Nadifa Nur Aulia Diani, Nandini Lova Dimar Pangestika Sari Dwi Purnomo Putro Dzeaulfath, Muhammad Eko Andy Purnomo Elfina Latifah Safira Eny Winaryati Eny Winaryati Ermawati, Asti Erna Julia Nanga Evida Oktaviana Fabiola, Gwenda Fadhilah Azzahra Fadillah, Muhammad Reza Faninda Aidina Fitri Fathir Naufal Hasan Fatkhurrokhman Fauzi Fauzi, Fatkhurokhman Fazia Risnita Widiyana Febrianti, Fatika Lovina Febryana Dilla Setyaningrum Firdatul Fahria Firdaus, Falah Tinton Firochul Masichah Fisabilillah, Muh. Irodat Fitri Anjani Fitri Diana Musa Fitria Fatichatul Hidayah Gautama, Rahmad Putra Ginasputri, Heppy Nur Asavia Hafiza Abas Haris, M Al Haris, M. Al Havinka Angel Salsabilla Heppy Nur Asavia Ginasputri Herculianus Rowa Dawi Hidayat, Muhamad Arif Hilma Hanna Mahanna Haqq Himmaturrohmah, Laily Husna, Rizqa El Iffah Norma Hidayati Ihsan Fathoni Ihsan Fathoni Amri Ikhwanudin, Muhamad Ilham Khairul Anam Imelya Susianti Inayah Pangestu, Eka Indah Fitriyani Indah Manfaati Nur Indah Manfaati Nur Indriani, Anita Retno Irawan, Alfian Chandra Isnaini Maulida Iva Aurellia Khalif Jesicha Arsusma Kaia Raissa Akmalia Kaia Raissa Akmalia Kamilah Citra Chumairoh Kamilah Citra Khumairoh Khansa' Ni'mal 'Abidah Khikman, Muhammad Alvaro Khoirul Huda Kinanta, Ailsha Syafa Latisa Alifa Maura Lea Angelina Lein, Raymond Bolly Linda Puspitasari Lydia Nur Sa'adah Lydia Nur Sa'adah Lydia Nur Sa'adah Mandala Adikara Sencoko Marsela Ayu Irdiana Masudah, Nurhidayatul Miftakhiyah Fazza Baita Miftakhul Haris Miftakhurizki Mochamad Hasyim Mualim Tahari Mufidatul Ulya Muhammad Alvaro Khikman Muhammad Bahaudin Muhammad Hali Mukron Muhammad Najwan Kamil Muhammad Rifqy Ardiansyah Muhammad Saifuddin Nur Multiyaningrum, Riska Nadia Khoirunnafisa Salma Nandini Lova Diani Nasyiatul Izzah Nikmah Handayani Ninu, Maria Febronia Nugroho, Muhammad Dimas Alfian Nur Arifah, Miftah Nurfuad, Khilmi Nurhidajah Nurmalita, Rahma Nurmawati Ainun Hidayana Nurohmah, Nufita Okiyanto, Rizal Pandiriyan, Muhammad Tegar Prastiwi, Harvina Sindy Prastyo, Ikwan Pratama, Rifin Fadilla Pratama, Rizky Adi Priambodo, Danu Prissy Nusaiba Yulisa Prizka Rismawati Arum Purnama, Estyaningsi Puspitasari, Linda Putra, Septian Malik Putri Wahyu Muharamah Putri, Melfia Verahma R.A Qonita Syalsabilla Handayani RA. Qonita Syalsabilla Handayani Rahma Nurmalita Rahma Safira Raka Nurhaq Mulya Hartanto Ramadhan, Abimanyu Arya Ramadhan, Wulan Nur Rangga Sa'adillah SAP Rendi Andika Putra Revika Inta Nur Kholifah Ridwanulhaq, Alfina Fauziah Riska Multiyaningrum Riska Multiyaningrum Rochdi Wasono Rochdi Wasono Rochdi Wasono Ryan Mahardika Saeful Amri Saeful Amri Salmah Salmah Salsabila Rahma Anisa Salsabilla, Havinka Angel Salwa Salsabila, Galuh Sam'an, Muhammad Sanmas, Safril Ahmadi Saputri, Atika Dwi Sari, Selvi Ana Windia Septi Winda Utami Septia, Siti Fajar Sesotyaning Harum Prabuningrat Shinta Amaria Sidqi, Isnaeni Miftahul Sintya, Salsabila Dhea Siswahyudianto Siti Hamidah Ardhy Siti Nurhalisa siti wulandari Suci Izzati Suci Laeliyah Suci Mega Puji Lestari Suherdi, Andri Sulistiya, Indah Sulistiyani, Dwi Sunday Emmanuel Fadugba Supriadin Supriadin Supriadin Supriadin Syafina Amira Firdaus Syaharani, Nabbila Dyah Tiani Wahyu Utami Tresiani Yunitasari Tri zahrotun Wahyuningsih Ulinuha, Samikoh Utami, Rossy Prima Nada Utiningtyas, Almas Rizki Wahid, Siti Nurasriyanti Wahyuningsih, Andria Watur, Annisa Cahyaningrum Widiyanti, Karin Dita Widyasari, Velia Arni Wulan Sari Wulan Sari, Wulan Yan Nazala Bisoumi Yolan Triky Yulia Nur Kumala Yulianita, Tanti