Hurray, another study that *proves* that masks work by choosing an arbitrary date and running some linear regressions Guess it'll be published in JAMA soon!https://twitter.com/AliNouriPhD/status/1294097529143951362 …
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Remove those two days, and the graph becomes flatter still, with an almost imperceptible gradient downwards that is almost certainly meaninglesspic.twitter.com/Rpbj1k3QDx
And remember, these days are based on when people REPORTED, not technically on when they got the disease! In other words, the entire relationship could just be down to reporting error
This isn't the only issue with the study, but it does show you how it fails even some of the more basic sense-checks (removing outliers, shifting study dates), making it mostly useless as evidence for/against masks
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