It’s xkcd on statistical significance. I need to stop eating all those green jelly beans.
I hear there’s also a link between sunshine and lollipops.
If every news article came with a caveat about multiple-testing corrections, we’d be in for some very long news articles indeed.
I actually based a whole lecture on this comic yesterday. My students are just starting to understand p-values so it was perfect!
Can someone help me find the semi-satirical academic paper published debunking an earlier paper finding support for telepathy? It was a hoot, and its dismantling of the original paper was based on precisely this multiple-testing issue.
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There are rules—usually for specific chart types meant to be read in a specific way—that you shouldn’t break. When they are, everyone loses. This is that small handful.
Before you dive into the advanced stuff – like just about everything in your life – you have to learn the fundamentals before you know when you can break the rules.
See what we ate on an average day, for the past several decades.
The ever so popular Walmart growth map gets an update, and yes, it still looks like a wildfire. Sam’s Club follows soon after, although not nearly as vigorously.