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Table 1 Descriptive statistics for positional error magnitudes and directional displacement magnitudes of automated geocodes of Carroll County addresses.

From: The effects of local street network characteristics on the positional accuracy of automated geocoding for geographic health studies

Addresses Sample size Minimum Median Maximum Mean Standard deviation
All 6376 1 59 2896 127 219
Rural PEM 1421 3 168 2896 333 379
Rural |Δx|, N-S 760 0 69 763 102 111
Rural |Δy|, N-S 760 0 120 2892 318 420
Rural |Δx|, E-W 661 0 59 1870 247 352
Rural |Δy|, E-W 661 0 55 770 90 101
Municipal PEM 4955 1 53 839 68 71
Municipal |Δx|, N-S 1812 0 24 354 26 28
Municipal |Δy|, N-S 1812 0 42 839 55 62
Municipal |Δx|, E-W 1735 0 43 700 63 88
Municipal |Δy|, E-W 1735 0 22 632 25 26
  1. Units for all descriptive statistics are meters.