All the Harry Potter spells, when they were used

I often stare far into the distance and ponder world’s greatest questions — like when specific spells were used in the Harry Potter books. No longer. This straightforward chart by Skyler Johnson pinpoints when each spell was explicitly said in the books and what each does.

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One Dataset, Visualized 25 Ways

“Let the data speak” they say. But what happens when the data rambles on and on?

The Changing American Diet

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

Think Like a Statistician – Without the Math

I call myself a statistician, because, well, I’m a statistics graduate student. However, the most important things I’ve learned are less formal, but have proven extremely useful when working/playing with data.

Divorce Rates for Different Groups

We know when people usually get married. We know who never marries. Finally, it’s time to look at the other side: divorce and remarriage.