Detecting the Risk of Customer Churn in Telecom Sector: A Comparative Study

Table 2

Dataset details.

Description	Dataset 1	Dataset 2
No. of instances	3333	7043
No. of features	21	21
No. of classes	2	2
Percentage of positive samples (churn)	14.5%	27%
Percentage of negative samples (nonchurn)	85.5%	73%