findings · 3 Aug 2026 · hedonic-model · onemap · data-science · singapore · hdb
A controlled test of real OneMap transit routing against the hedonic model's straight-line distance-to-MRT and distance-to-CBD terms — and why the straight line won anyway.
build-log · 30 Jun 2026 · postgis · maplibre · go · docker · etl · devops · singapore · side-project
How a solo-built map of 970k geocoded HDB resale transactions works — PostGIS, Martin tiles, a Go API — and the deploy that broke production while every health check stayed green.