Blog posts tagged with skaldmaps
Christian Hollinger blog posts tagged with "skaldmaps", covering practical engineering notes, projects, and technical writing.
- ZIP codes are a bad spatial abstraction
2026-07-14: ZIP codes are delivery routes, not polygons. See how SkaldMaps combines ACS and other sources using ZCTAs, HUD-USPS crosswalks, spatial joins, and DuckDB.
engineeringgeospatialdata engineeringduckdbsqlskaldmaps
- Building confidence in geospatial data
2026-06-09: How SkaldMaps generates a confidence score for data attributes that helps you gauge how accurate data is (or isn't).
skaldmapsengineeringgeospatialdata engineeringdata sciencedata quality
- I used my homelab to start an LLC: Meet SkaldMaps
2026-05-25: I launched SkaldMaps, a SaaS for exploring and ranking U.S. ZIP codes, based on a previous homelab project. It runs a model on my R740XD.
skaldmapshomelabgeospatialgosqlduckdbdata engineeringweb