Make your own US rivers and roads maps

Posted to Maps  |  Tags: ,  |  Nathan Yau

Inspired by Nelson Minar’s map of US rivers, Mike Bostock demonstrates how to generate your own TopoJSON from the same river data. As indicated by the name, the file format is a way to encode topology, and it does so in a compact way.

Casey Thomas then forked Mike’s code to make TopoJSON from TIGER/Line files, which is essentially data supplied by the Census Bureau that represents the roads in the United States.

US roads

Favorites

The Best Data Visualization Projects of 2011

I almost didn’t make a best-of list this year, but as I clicked through the year’s post, it was hard …

Think Like a Statistician – Without the Math

I call myself a statistician, because, well, I’m a statistics graduate student. However, the most important things I’ve learned are less formal, but have proven extremely useful when working/playing with data.

The Best Data Visualization Projects of 2014

It’s always tough to pick my favorite visualization projects. Nevertheless, I gave it a go.

Marrying Age

People get married at various ages, but there are definite trends that vary across demographic groups. What do these trends look like?