Table 1.
Descriptive statistics for positional error magnitudes and directional displacement magnitudes of automated geocodes of Carroll County addresses.
| 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 |
Units for all descriptive statistics are meters.