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.
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

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

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