Index Charts, Part 2: Chopping Up and Folding the Time Axis

Index Charts that transform the vertical axis are pretty common, but what about indexing on the time axis? That's actually done quite a bit too, even though it's not always obvious. I talk about what indexing on the time axis means, discuss regular and irregular time indexing, and show examples from home price data, camera sales, climate change, and more.

See also the related blog post!