Getting Started Exploring All 1.5 Million Nonprofits in the US
By Tyler Dahlberg on August 18th, 2016
Where are all the nonprofits? We started out with a simple question. Where are all the nonprofits? As a B...
Serving Local Mapbox Vector Tiles with Docker
By Tyler Dahlberg on June 27th, 2016
Why Would I Want to Use Docker to Serve Local Mapbox Vector Tiles? You really want a custom vector tile...
Announcing Azavea's Nonprofit Map Readiness Program
By Tyler Dahlberg on January 26th, 2016
Where are more potential clients? How do we prioritize which service locations to improve? What programs do we choose to...
Using PostGIS to Summarize Philadelphia Inspections Data
By Tyler Dahlberg on January 7th, 2016
Summer of Maps Fellow Nat Henry wrote a Python script to collect the entire universe of available Philadelphia License and...
Calculating Daytime Population at the Census Tract Level for the Entire US
By Tyler Dahlberg on October 21st, 2015
What is daytime population? Despite official estimates, many parts of the US have populations that vary wildly from day to...
How to Get Census Data for Maps in 5 Steps
By Tyler Dahlberg on August 25th, 2015
Census Data Doesn’t Have to Be Difficult One of the largest and best free sources of data in the US...