Xkcd data dredging10/3/2023 ![]() ![]() ![]() Of course, if you do 20 such tests when there's really nothing of any importance going on, the expected number of those tests to give a significant result is 1. The point is about doing multiple hypothesis tests at some moderate significance level like 5%, and then publicizing the one that came out significant. However, one can appreciate the point whether or not it tickles your funnybone. I think partly it's the recognition of the way that a doubtful, or even dubious result turns into a media circus ( on which see also this PhD comic), and perhaps partly the recognition of the way some research may actually be done - if usually not consciously.) (I personally find it funny, but I find it hard to clearly explain what, exactly, makes it funny to me. Many do, however make important points in a way that's thought provoking, and at least sometimes they're amusing while doing that. Indeed not all xkcd's are even intended to be actually funny. Humor is a very personal thing - some people will find it amusing, but it may not be funny to everyone - and attempts to explain what makes something funny often fail to convey the funny, even if they explain the underlying point. ![]()
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