<![CDATA[Customer segmentation is the division of customer groups that have different needs, characteristics and behaviors (heterogeneous) in this case very helpful in a more targeted service process so that company resources can be used effectively and efficiently for example making it easier to distinguish complaints and map with segments the same one. Customer complaints are an expression of feelings of customer dissatisfaction with service standards, actions that affect customers. In the service of handling customer complaints is the most important. This study aims to segment customers based on complaints. To overcome these problems a solution is needed to find the level of complaints. Where data has a lot of variation and amount of clustering process is needed. Clustering is a technique used to analyze data both in machine learning, data mining, pattern recognition, image analysis and bioinformatics. To produce useful information, it needs a data analysis using the clustering process. Researchers will use the K-Means method where this method becomes an efficient and effective algorithm in processing large amounts of data. Before data processing is carried out, data mining is carried out, namely data selection, data cleaning and data transformation, then the data is processed into several clusters. The clustered data results in the level of complaint handling based on difficult, normal and easy complaints handling time in each cluster.]]>
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