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

Table 8

Comparison of RF-GS-LR with feature selection by MI (w/FS) and without feature selection (wo/FS).

Datasets	GS	Accuracy	Recall	Precision	AUC	F1-score	MAE
Dataset 1	w/FS	0.99	1.00	0.91	0.99	0.97	0.014
	wo/FS	0.99	0.94	1.00	0.97	0.98	0.008
Dataset 2	w/FS	0.95	0.94	0.89	0.95	0.94	0.049
	wo/FS	0.96	0.92	0.93	0.95	0.95	0.046