[Retracted] Design of Customer Churn Early Warning System Based on Mobile Communication Technology Based on Data Mining

Table 4

Results of network access duration indicators.

	B	B.E	Wald	Of	Sig	Exp (B)
Length	−1.254	0.040	39.605	1	000	1 290
Constant	−1.523	0.431	12. 490	1	000	1.218