Each dot represents a data point. Collectively, geographic patterns emerge.
Tutorials and Guides
How to Make Gridded, Equal-Distance Dot Maps
For when your geographic data is evenly spread rather than aggregated by government boundaries.
Working with Line Maps, the Google Places API, and R
A frequent challenge of visualization is behind the scenes, to get the data and to mold it into the format you need. Do that. Then map.
Mapping perceived canopy tree cover in major cities
Treepedia, from the MIT Senseable City Lab, estimates perceived tree cover at the…
Sunsquatch, the only eclipse map you need
It’s solar eclipse time. There have been a lot of maps leading up…
How Airbnb Visitors Rate Location in Major US Cities
This is how Airbnb visitors judge location, which provides a view into where city centers begin and end.
Bomb threats to Jewish Community Centers
Ken Schwencke and Al Shaw from ProPublica with a set of straightforward maps…
Firearms Dealers vs. Burgers, Pizza, and Coffee
As of May 2016, there were 64,432 licensed firearms dealers and pawnbrokers, which got me wondering how that compares to other businesses.
Top Brewery Road Trip, Routed Algorithmically
There are a lot of great craft breweries in the United States, but there is only so much time. This is the computed best way to get to the top rated breweries and how to maximize the beer tasting experience. Every journey begins with a single sip.
Reviving the Statistical Atlas of the United States with New Data
Due to budget cuts, there is no plan for an updated atlas. So I recreated the original 1870 Atlas using today's publicly available data.
Explorations of People Movements
A new data source gave rise to a different set of visualization projects. We see people.
Burger Place Geography
After looking at pizza places, coffee, and grocery stores, I had to look at burger chains across the country. The data was just sitting there.
Where Bars Outnumber Grocery Stores
A closer look at the age old question of where there are more bars than grocery stores, and vice versa.
Lessons learned from mapping millions of dots
Eric Fischer, known around these parts for his dot maps, describes the lessons…
Grocery store geography
I’ve been poking around grocery store locations, courtesy of AggData, the past few…
Mapping Twitter demographics
MapBox, along with Gnip and Eric Fischer, mapped 3 billion tweets and a…