Chernoff Faces to Display Baseball Managers From 2007 MLB Season

Check out this lovely use of Chernoff Faces by Steve Wang of Swarthmore College. This method of visualization was developed by none other than mathematician-statistician-physicist Herman Chernoff in 1973. These faces were designed on the premise that people could easily understand facial expressions. With that in mind, Chernoff used facial characteristics to represent multivariate data.

If you like, you can make your own Chernoff faces with this R library.



How We Spend Our Money, a Breakdown

We know spending changes when you have more money. Here’s by how much.

Real Chart Rules to Follow

There are rules—usually for specific chart types meant to be read in a specific way—that you shouldn’t break. When they are, everyone loses. This is that small handful.

Marrying Age

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

Years You Have Left to Live, Probably

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.