20 million address points to postal code polygons – The evolution of the Canadian Postal Code Crowdsourced Dataset. :: FOSS4G Calgary

20 million address points to postal code polygons – The evolution of the Canadian Postal Code Crowdsourced Dataset.

I've been compiling a crowdsourced postal address file for Canada since 2005 as a derivation of the geocoder.ca API raw data. I'll show how I'm using human input and machine learning to compute Canadian Postal Code Polygon boundaries based on an evolving dataset of over 20 million input points.