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

Table 1

Number of set tuples based on user attributes.

Property set	Attribute value	Number of tuples	Number of tuples	Number of tuples	Number of tuples
Stat ID attributes	Customer status in January 2009	Stat = 0	Stat = 10.	Stat = 5	Stat = space
		9956	421	204	870
Create_Time.	Network access time ≥3 years	5888	102	50	153
	1years ≤ network access time <3 years	1520	122	42	140
Credit_Level	Credit rating = advanced	1156	52	26	22
	{6,7,8,9, 10}
	Credit rating = advanced {1,2,3,4, 5}	8728	411	175	841
ZD-5/previous	Consumption in December ≤60yuan	355	45	30	650
Consumption	Consumption in December >60yuan	9500	382	180	240
ZD-10; ZD-11; ZD-12	Average consumption in the first three months ≤60yuan	140	20	10	240
	Average consumption in the first three months >60yuan	9800	395	188	476