Sinergi
Vol 27, No 3 (2023)

Service quality dealer identification: the optimization of K-Means clustering

Yolanda Enza Wella (Informatics Engineering Department, Universitas Islam Negeri Sultan Syarif Kasim Riau)
Okfalisa Okfalisa (Informatics Engineering Department, Universitas Islam Negeri Sultan Syarif Kasim Riau)
Fitri Insani (Informatics Engineering Department, Universitas Islam Negeri Sultan Syarif Kasim Riau)
Faisal Saeed (School of Computing and Digital Technology, Birmingham City University)
Ab Razak Che Hussin (Information Systems Department at the Universiti Teknologi Malaysia)



Article Info

Publish Date
12 Sep 2023

Abstract

Service quality and customer satisfaction directly influence company branding, reputation and customer loyalty. As a liaison between producers and consumers, dealers must preserve valuable consumer relationships to increase customer satisfaction and adherence. Lack of comprehensive measurement and standardization regarding service quality emerges as a consideration issue towards the company service excellence. Therefore, identifying the service quality performance and grouping develops into valuable contributions in decision-making to control and enhance the company's intention. This study applies the K-Means Algorithm by optimizing the number of clusters in identifying dealer service quality performance. Hence, the ultimate service quality formation will be performed. The analysis found three dealer identification categories, including Cluster One, with 125 dealers grouped as good performance; Cluster Two, with 30 dealers grouped as very good performance; and Cluster Three, with 38 dealers grouped as not good performance. In order to evaluate the efficacy of optimum k value, the lists of testing approaches are conducted and compared, whereby Calinski-Harabasz, Elbow, Silhouette Score, and Davies-Bouldin Index (DBI) contribute in k=3. As a result, the optimum clusters are determined through the highest performance of k values as three. These three clusters have successfully identified the service quality level of dealers effectively and administered the company guidelines for corrective actions and improvements in customer service quality instead of the standardized normal distribution grouping calculation. 

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Journal Info

Abbrev

sinergi

Publisher

Subject

Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering

Description

SINERGI is a peer-reviewed international journal published three times a year in February, June, and October. The journal is published by Faculty of Engineering, Universitas Mercu Buana. Each publication contains articles comprising high quality theoretical and empirical original research papers, ...