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All Journal Timuris : Journal of Computational and Information Research
Surman Siloyanan
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Development of a Stability-Dispersion Adaptive Weighted K-Means Method for Feature-Sensitive Clustering Ramli Rumeon; Surman Siloyanan
Timuris: Journal of Computational and Information Research Vol. 1 No. 1 (2026): Timuris: Journal of Computational and Information Research
Publisher : Kiswah Institute

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Abstract

This study develops Stability-Dispersion Adaptive Weighted K-Means (SDAW-K-Means), an extension of classical K-Means that updates feature weights according to within-cluster dispersion. Classical K-Means treats all standardized features equally, although some features may be more relevant for cluster separation than others. The proposed method estimates feature weights iteratively: features with smaller within-cluster dispersion receive larger weights, while less informative features receive smaller weights. The empirical illustration uses the public Iris dataset from the UCI Machine Learning Repository through scikit-learn. Results show that the proposed weighting mechanism is interpretable and can improve agreement with reference labels based on the adjusted Rand index. The article contributes a transparent feature-weighted K-Means formulation for applied clustering research.
Co-Authors Ramli Rumeon