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ABSTRACT:

It is very important to evaluate customer satisfaction as an effort to see the level of performance of PDAM Tirtanadi, Medan City. With this research was carried out to determine the level of customer satisfaction at PDAM Tirtanadi, Medan City using data mining. The research method used is an analytical method with a structured approach which is complete with the tools and techniques needed in the system so that the analysis results of the system being developed produce a system whose structure can be defined well and clearly. The main goal of rough set analysis is to synthesize conceptual approaches from the data obtained. This research aims to determine the level of customer satisfaction of PDAM Tirtanadi Medan City so that it can help PDAM to better understand the complaints of people who use PDAM Tirtanadi Medan City services.

KEYWORDS:

Customer Satisfaction, Rough Set, Data mining

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