Table 4

Comparison of the circular and the flexible spatial scan statistic for the cluster model C. 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 C = {14, 15, 26, 27}. Nominal α-level is set as 0.05 and 1000 trials are carried out. For more details, see text.
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
 4

0
 1
 2
 3
 4
1
 0
 0


0
 1
 1
 0


1
2
 0
 0
 0

0
 2
 0
 0
 351

351
3
 0
 0
 0
 0
0
 3
 2
 0
 4
 0
6
4
 0
 0
 0
 0
 138
 138
 4
 0
 0
 3
 0
 0
 3
5
 0
 0
 0
 3
 147
 150
 5
 2
 0
 2
 0
 0
 4
6
 1
 0
 0
 2
 200
 203
 6
 1
 0
 0
 0
 0
 1
7
 0
 1
 0
 4
 147
 152
 7
 0
 0
 0
 81
 0
 81
8
 0
 0
 2
 9
 107
 118
 8
 0
 0
 10
 18
 38
 66
9
 0
 0
 0
 10
 71
 81
 9
 0
 0
 2
 0
 26
 28
10
 1
 0
 2
 5
 28
 36
 10
 0
 0
 0
 29
 3
 32
11
 0
 0
 0
 0
 10
 10
 11
 0
 0
 1
 13
 1
 15
12
 0
 0
 0
 0
 2
 2
 12
 0
 0
 2
 4
 60
 66
13
 0
 0
 0
 0
 0
 0
 13
 0
 0
 0
 5
 62
 67
14
 0
 0
 0
 0
 0
 0
 14
 0
 0
 0
 10
 27
 37
15
 0
 0
 0
 0
 0
 0
 15
 0
 0
 0
 6
 37
 43
Total
 2
 1
 4
 33
 850
 890
 Total
 6
 0
 375
 166
 254
 801

usual power = 0.890

usual power = 0.801

Tango and Takahashi International Journal of Health Geographics 2005 4:11   doi:10.1186/1476-072X-4-11

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