From: Accuracy of commercial geocoding: assessment and implications
Characteristic | Stratum or Units | n (%) or mean (standard deviation) |
---|---|---|
Address Source | EPA | 2,522 (70) |
WHI | 1,050 (29) | |
NGS | 43 (1) | |
Address Typea | Complete | 2,808 (78) |
No Street Number | 460 (13) | |
Intersection | 347 (10) | |
Zip Code | Absent | 2,359 (65) |
Present | 1,256 (35) | |
Edit | Unedited | 1,533 (42) |
Minor | 1,392 (39) | |
Major | 690 (19) | |
Densityb | persons/km2 | 1,066 (2,645) |
Original Datumc | NAD83 or WGS84 | 1,615 (45) |
Unknown | 1,274 (35) | |
NAD27 | 726 (20) |