| Concordance coefficient (p-value) | Pearson Correlation Coefficient (p-value) |
---|---|---|
NC DOT | 0.82 (< 0.001) | 0.83 (< 0.001) |
StreetMap Pro | 0.60 (< 0.001) | 0.60 (< 0.001) |
TIGER/Line 2000 | 0.01 (< 0.001) | 0.01 (< 0.001) |
TIGER/Line 2007 | 0.79 (< 0.001) | 0.79 (< 0.001) |