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Earth, Planets and Space

Table 2 Clustering results derived from several groups of thresholds

From: Application of an improved clustering approach on GPS height time series at CMONOC stations in Southwestern China

Thresholds step length

Similarity level

Thresholds (mm/km/day)

No. of stations

No. of clusters

Maximal differential WRMS (mm)

Group one (WRMS: + 0.5 mm)

1

1.0/150/10

3

1

2.02

2

2.0/300/20

20

4

3.26

3

3.0/450/30

20

4

3.41

4

4.0/600/40

3

1

2.33

Sum

 

46

10

3.10

Group two (distance: + 50 km)

1

0.5/200/10

7

2

2.67

2

1.0/400/20

19

4

2.85

3

1.5/600/30

12

2

3.07

4

2.0/800/40

8

2

3.01

Sum

 

46

10

2.89

Group three (phase: + 5 days)

1

0.5/150/15

3

1

2.02

2

1.0/300/30

23

5

2.96

3

1.5/450/45

16

4

2.66

4

2.0/600/60

7

2

3.11

Sum

 

49

12

2.81

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