Fig. 7
From: Customer churn prediction in telecom using machine learning in big data platform
Feature distribution for some main numerical features. Panel (a) visualizes the distribution of Day of Last Outgoing Transaction feature. Panel (b) visualizes the feature distribution of Average Radio Access Type Between 3G and 2G. Panel (c) also visualizes the distribution of Total Balance feature. Panel (d) shows the feature distribution of Percentage Transaction with other operators. Similarly, panel (e) visualizes the distribution of Percentage of Signaling Error/Dropped calls. Finally, panel (f) visualizes the distribution of the GSM Age feature. The red color is used in all panels to represent the churned customers' class and the blue one for active customers' class