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Table 3 Parcel based positional error. Positional error is calculated by measuring the distance between property parcel locations and the true location of the houses. RMSE = Root Mean Square Error (radial). N = 1000 for each density class.

From: Positional error in automated geocoding of residential addresses

Percentiles Urban (m) Suburban (m) Rural (m)
50% 8 8 15
75% 11 14 43
90% 15 22 113
95% 21 39 195
99% 62 177 582
Max 299 921 3,567
Mean 10 15 55
RMSE 18 46 211