In the Options dialog box, there are several choices for Minimum Quality when selecting ZIP Centroid Matching. The following indicates which methodologies (the fourth character in the location code) are used for each Quality selection.
| Minimum Quality Selection | Methodology |
|---|---|
| 9-Digit Best Location | A, a, B, b, C, c, D, d |
| 9-Digit Good Location | A, a, B, b, C, c, D, d, E, F, G, H |
| 9- or 7-Digit Location | A, a, B, b, C, c, D, d, E, F, G, H, I, J, K, L, M, N |
| Block Group Accuracy | A, a, B, b, E, I, L |
| Census Tract Accuracy | A, a, B, b, E, I, L, C, c, F, J, M, V |
| 5-Digit Only | V, W, X, Y, Z |
| All Centroids | Can return all Methodology codes. |
Important: This option does not affect Canadian processing.