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Table 1 Empirical geocoding positional error distributions

From: Local indicators of geocoding accuracy (LIGA): theory and application

 

Bonner et al. (2003)

Cayo & Talbot (2003)

Ward et al. (2005)

Urban/Town

   

Median

32

38

56

75th percentile

-

-

92

90th percentile

37

96

-

Mean

96

58

77

Max

1,551

1,088

687

Rural/Nonurban

   

Median

52

201

88

75th percentile

-

-

254

90th percentile

61

1,544

-

Mean

129

614

210

Max

2,552

18,742

1,731

  1. Summary of geocoding positional error (meters) from 3 studies. Source: Abe and Stinchcomb (2008).