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Table 3 Number of cluster identified in the sample, cluster size ≥ 3

From: Anomaly behaviour detection based on the meta-Morisita index for large scale spatio-temporal data set

Taxi_ID

Map algebra

K-means

DBSCAN

Expectation maximization(EM)

Meta-Morisita

39

40

52

133

22

41

220

34

60

103

13

35

234

34

19

88

55

37

260

23

16

77

35

24

271

23

83

174

27

24

278

16

14

61

48

22

426

27

24

92

44

29

430

21

23

69

25

25

493

32

39

74

42

33

549

33

46

109

21

34