This Age is the New Age

30 is the new 20. Wait. 40 is the new 20. No, scratch that. 50 is the new 20. Or is 50 the new 30? Here’s what the Google says, so you know it must be true.

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How to Make a Multi-Series Dot Plot in Excel

Easily compare multiple categories and spot differences between two or more series.

How to Make an Animated Pyramid Chart with D3.js

Compare distributions side-by-side with a pyramid chart. Observe the change over the years by animating it.

How to Draw in R and Make Custom Plots

When base graphics and existing packages don’t do it for you, turn to low-level graphics functions to make what you want.

How to Make a Dynamic Multi-population Pyramid in Excel

Create better population pyramids that allow for improved comparisons between sexes and populations.

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Marrying Age

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

Data, R, and a 3-D Printer

We almost always look at data through a screen. It’s quick and good for exploration. So is there value in making data physical? I played around with a 3-D printer to find out.

Shifts in How Couples Meet, Online Takes the Top

How do couples meet now and how has it changed over the years? Watch the rankings play out over six decades.

The Changing American Diet

See what we ate on an average day, for the past several decades.