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Table 1 Geocoding Results of Self-reported Addresses before E911 Conversion.

From: Geocoding rural addresses in a community contaminated by PFOA: a comparison of methods

  

TeleAtlas

ArcView/NAVTEQ

Address status

N

Error1

N (%)2

Error1

N (%)2

Self-reported

Post-E911 Street

71

132 (75, 309)

52 (73%)

40 (17, 70)

70 (99%)

Self-reported

Pre-E911 Street

37

243 (117, 418)

34 (92%)

236 (153, 413)

29 (78%)

Total Addresses3

135

174 (81, 357)

86 (64%)

62 (25, 151)

99 (73%)

  1. 1Positional errors are presented as median distance (25th, 75th percentile) in meters between geocoded location and GPS measurements.
  2. 2Represents the number of successfully geocoded addresses and the percent (%).
  3. 3 The 26 rural route boxes and the 1 PO Box were not geocoded by either method.
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Environmental Health

ISSN: 1476-069X