Tag
geospatial
SkaldMaps articles tagged with "geospatial", covering practical location data, geospatial analysis, and product notes.
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2026-07-14 ZIP codes are a bad spatial abstraction ZIP codes are delivery routes, not polygons. See how SkaldMaps combines ACS and other sources using ZCTAs, HUD-USPS crosswalks, spatial joins, and DuckDB. -
2026-06-09 Building confidence in geospatial data How SkaldMaps generates a confidence score for data attributes that helps you gauge how accurate data is (or isn't).