International Journal of Emerging Technology and Advanced Engineering (IJETAE)
Customer churn prediction in mobile industry is a latest research topic in recent years. A huge amount of data is generated in Mobile industry every minute. Data mining techniques have also developed in various ways. Customer churn is considered as one of the major issues in mobile industry. The paper signifies that it is more expensive to gain a new customer than to retain an existing one. The knowledge extracted from mobile industry helps to understand the reasons of customer churn and telecom providers use the data to retain existing customers. This paper surveys the commonly used data mining techniques to identify customer churn patterns.