Table 5 Spherical distance in meters (ρ) between criterion standard and vendor-assigned coordinates (mean [standard deviation]), by match type and vendor
From: Accuracy of commercial geocoding: assessment and implications
Match Type | Vendor | ρ | |||
|---|---|---|---|---|---|
Unadjusted | Adjusted a | Within a,b | Hetero a-c | ||
Street | A | 293 (564) | 272 (476) | 280 (492) | NA |
B | 287 (545) | 262 (438) | 268 (447) | NA | |
C | 288 (551) | 266 (456) | 275 (471) | NA | |
Centroid | A | 6,375 (10,437) | 6,194 (9,473) | 5,630 (8,576) | 5,497 (8,345) |
B | 4,854 (27,279) | 3,663 (15,948) | 4,230 (18,730) | 4,303 (19,185) | |
C | 5,524 (34,703) | 3,298 (13,068) | 3,900 (15,943) | 4,210 (17,638) | |