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All Journal BERNAS: Jurnal Pengabdian Kepada Masyarakat Journal of Information Technology and its Utilization
Halimil Fathi
Politeknik Enjinering Indorama, Purwakarta, Indonesia
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Journal : Journal of Information Technology and its Utilization

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Optimization of K Value in Clustering Using Silhouette Score (Case Study: Mall Customers Data) Heti Mulyani; Ricak Agus Setiawan; Halimil Fathi
Journal of Information Technology and Its Utilization Vol 6 No 2 (2023): December 2023
Publisher : Sekolah Tinggi Multi Media

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56873/jitu.6.2.5243

Abstract

Clustering is an important phase in data mining. The grouping method commonly used in data mining concepts is using K-Means. Choosing the best value of k in the k-means algorithm can be difficult. In this study the technique used to determine the value of k is the silhouette score. Then, to evaluate the k-means model uses the Davies Bouldin Index (DBI) technique. The best DBI value is close to 0. The parameters used are total consumer income and spending. Based on the results of this study it can be concluded that the silhouette score method can provide a k value with optimal results. For mall customer data of 200 data, the most optimal silhouette score is obtained at K = 5 with a DBI = 0.57.
Co-Authors Ade Winarni Inayah Salsabila Jamaludin Yasykurniaam Musawarman, Mr. Nursita Setyawati Rahayu, Widya Andayani Ricak Agus Setiawan