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Will Fithian

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I am grateful to moderator @jonc101x and speaker @jsross119 for allowing me to make a brief statement at the very interesting Stanford BMIR seminar yesterday (43:00 mark). A lightly edited

The authors said they used “ci means” in Stata on the 0/1 variables (test - / test +) for the 3330 participants, and they don’t know how the weights were

For the sake of transparency, I should elaborate on this point which I left vague before.https://twitter.com/wfithian/status/1252692362037362693 The authors said they used “ci means” in Stata on the 0/1 variables (test

I have been corresponding with the authors of the well-known Santa Clara County COVID-19 preprint, and I am alarmed at their sloppy behavior. The confidence interval calculation in their preprint

The authors said by email that they used a built-in Stata function and aren't sure themselves how the software used the input weights. I suspect they misapplied that function (too