Age Generation Populations

When you have several time series over many categories, it can be useful to show them separately rather than put it all in one graph. This is one way to do it interactively with categorical filters.

Use color to reinforce or add another layer of meaning to a regular line chart.

The deldir package by Rolf Turner makes the calculations and plotting straightforward, with a few lines of code.

Fill areas with varying line density to give more or less visual attention. With geographic maps, the technique is especially useful to adjust for population density.

What are the ingredients that make each cuisine? I looked at 40,000 recipes spanning 20 cuisines and 6,714 ingredients to see what makes food taste different.

What is old? When it comes to subjects like health care and retirement, we often think of old in fixed terms. But as people live longer, it’s worth changing the definition.

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

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