Abdurakhman Abdurakhman
Department of Mathematics, Faculty of Mathematics and Natural Sciences, Universitas Gadjah Mada

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Application of Block-Based K-Medoids and Ward's Method to Classify Provinces in Indonesia Based on Environmental Quality Index Kariyam Kariyam; Abdurakhman Abdurakhman; Adhitya Ronnie Effendie
Eduvest - Journal of Universal Studies Vol. 3 No. 2 (2023): Journal Eduvest - Journal of Universal Studies
Publisher : Green Publisher Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (387.824 KB) | DOI: 10.59188/eduvest.v3i2.738

Abstract

Environmental quality is an essential aspect of the world's sustainability. This paper presents a combination of several methods to obtain a profile of provinces in Indonesia according to the environmental quality indices. We apply the block-based k-medoids algorithm, Ward's method, and the Hartigan index to determine the number of clusters. Based on Hartigan index suggested classifying 34 provinces in Indonesia into four groups. A comparison of the mean vector of four groups using multivariate analysis of variance concluded that three areas have the best environment quality index and eight regions require serious attention to improve their environmental quality methods.