Cluster Analysis on Various Cluster Validity Indexes with Average Linkage Method and Euclidean Distance (Study on Compliant Paying Behavior of Bank X Customers in Indonesia 2021)

This study aims to examine the differences in various cluster validity indexes grouping of credit customers at Bank X Malang City, Indonesia using average linkage and Euclidean distance methods. uses primary data with variables used are service quality, environment, mode, willingness pay, obedient paying behavior obtained through a questionnaire Likert scale purposive sampling distributed 100 respondents. The then analyzed by clusters ward methods on indexes, including Silhouette Index, Krzanowski-Lai, Dunn, Gap, Davies-Bouldin, Index C, Global Sillhouette, Goodman-Kruskal this as tool analysis. R software. results show that indices have same members, well Davies-Bouldin indices. best indexes. All produce variance between within cluster. novelty is compare 8 indices, namely Sillhouette simultaneously.