Visual explainer for hierarchical modeling

Hierarchical models, or multilevel models, are used to represent data that might vary on, you guessed, different levels. Michael Freeman, from the University of Washington Information School, provides an introduction to the method using a scrolling format. The transitions give a good sense of how the model can change, depending on your approach.

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The Best Data Visualization Projects of 2011

I almost didn’t make a best-of list this year, but as I clicked through the year’s post, it was hard …

How to Spot Visualization Lies

Many charts don’t tell the truth. This is a simple guide to spotting them.

Unemployment in America, Mapped Over Time

Watch the regional changes across the country from 1990 to 2016.

Shifting Incomes for American Jobs

For various occupations, the difference between the person who makes the most and the one who makes the least can be significant.