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Table 8 Assessment criteria for TF score (time–frequency)

From: Predictive analytics using big data for increased customer loyalty: Syriatel Telecom Company case study

Frequency

\(\ldots\)

Rank

F1

F2

F3

F4

F5

 

T1

T1F1

T1F2

T1F3

T1F4

T1F5

 

T2

T2F1

T2F2

T2F3

T2F4

T2F5

Time

T3

T3F1

T3F2

T3F3

T3F4

T3F5

 

T4

T4F1

T4F2

T4F3

T4F4

T4F5

 

T5

T5F1

T5F2

T5F3

T5F4

T5F5

\(\ldots\)

\(\ldots\)

\(\ldots\)

\(\ldots\)

\(\ldots\)

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