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Table 14 Grey Correlation Coefficient of Normalized Data and Reference Sequence (Source: authors)

From: Research on feeder network design: a case study of feeder service for the port of Kotka

Indicators

S1

S2

S3

S4

Z1

0.33

0.40

1.00

0.43

Z2

0.94

1.00

0.96

0.33

Z3

1.00

1.00

0.40

0.33

Z4

1.00

0.33

1.00

0.33

Z5

1.00

0.57

1.00

0.33

Z6

1.00

0.33

0.60

0.46

Z7

0.38

0.33

1.00

0.56