Eugene Chong, Author at Azavea

Crop of map displaying data overlaid on Open Street Map.

How Can OpenStreetMap be Used to Track UN Sustainable Development Goals?

By Eugene Chong on September 11th, 2020

We learned that OpenStreetMap is a great source of data for tracking SDG indicator 11.7.1. OSM provides data on public open or green spaces in cities that is similar in quality to more “official” sources like municipal Open Data portals, and collecting the data from OSM requires relatively little effort.

Spatial Analysis

Choosing a Cell Size for Point Pattern Analysis: Gun Crimes in Baltimore

By Eugene Chong on September 4th, 2020

This analysis applies the Malleson methodology of choosing a spatial unit of analysis to gun crime data for the city of Baltimore. This methodology brings us a bit closer to understanding whether spatial variations in the crime data are picking up real signals or just noise.