Comparison of Single Linkage, Complete Linkage, and Average Linkage Methods on Community Welfare Analysis in Cities and Regencies in East Java

Community welfare is one of the important points for a region and also essence national development. The people in Indonesia fairly unequal, especially East Java. To be able to map an area its Java, way that can used use clustering. hierarchical clustering method methods grouping data. In clustering, single linkage, complete average linkage are suitable data, which will compare best use. results calculation show with three clusters silhouette index value 0.6054, 1st cluster there 23 regions, namely city/district highest community welfare, 2nd 11 cities/districts moderate social third 4 lowest welfare.