Vintage chart shows the evolution in design of everyday objects

Email provides a window into who we interact with and what we do. This tutorial describes how to get that data in the format you want.

Add interaction so that you can show different segments of the data and allow comparisons.

It might not be sexy, but you have to load your data and get it in the right format before you can visualize it. Here are the basics, which might be all you need.

There are about a million ways to make a choropleth map. The problem is that a lot of solutions require expensive software or have a high learning curve. It doesn’t have to be that way.

The individual data points of life are much less predictable than the average. Here’s a simulation that shows you how much time is left on the clock.

The American Time Use Survey recently released results for 2018. That makes 15 years of data. What’s different? What’s the same?

The data goes back to 1960 and up to the most current estimates for 2009. Each line represents a country.

There are many exercise apps that allow you to keep …