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Table 1 Ripley's K-Function results.

From: Spatial and temporal structure of typhoid outbreaks in Washington, D.C., 1906–1909: evaluating local clustering with the G i * statistic

Distance (m)

1906

1907

1908

1909

0

192.88

197.80

216.99

170.77

100

350.24

368.19

381.27

312.82

200

495.41

511.65

534.79

457.20

300

639.88

644.29

681.38

603.48

400

772.84

789.88

833.06

729.71

500

905.25

914.98

974.53

858.60

600

1036.84

1047.79

1098.68

973.26

700

1160.23

1177.82

1226.26

1090.83

800

1279.21

1304.02

1350.98

1207.75

900

1404.37

1423.07

1468.40

1330.13

1000

1525.93

1535.74

1580.81

1438.93