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Table 2 Comparison of the circular and the flexible spatial scan statistic for the cluster model A. Comparison of bivariate power distribution P(l, s) × 1000 between the circular spatial scan statistic and the flexible spatial scan statistic for the hot-spot cluster A = {14, 15, 20}. Nominal α-level is set as 0.05 and 1000 trials are carried out. For more details, see text.

From: A flexibly shaped spatial scan statistic for detecting clusters

Flexible (K = 15)

Circular (K = 15)

Length l

Include s

hot-spot regions

Total

Length l

Include s

hot-spot regions

Total

 

0

1

2

3

  

0

1

2

3

 

1

0

0

  

0

1

0

0

  

0

2

0

0

0

 

0

2

1

0

0

 

1

3

0

0

0

142

142

3

0

0

0

738

738

4

0

0

0

116

116

4

0

0

0

134

134

5

0

0

0

137

137

5

0

0

0

39

39

6

0

0

0

149

149

6

0

0

0

12

12

7

0

0

0

165

165

7

0

0

0

9

9

8

0

0

0

131

131

8

0

0

0

1

1

9

0

0

0

84

84

9

0

0

2

3

5

10

0

0

0

27

27

10

0

0

0

2

2

11

0

0

0

11

11

11

0

0

0

4

4

12

0

0

0

2

2

12

0

0

0

12

12

13

0

0

0

0

0

13

0

0

0

14

14

14

0

0

0

0

0

14

0

0

0

3

3

15

0

0

0

0

0

15

0

0

0

6

6

Total

0

0

0

964

964

Total

1

0

2

977

980

 

usual power = 0.964

  

usual power = 0.980