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Dr. Daniela Witten
daniela_witten
Two years ago, a very close friend went to Iceland and brought me back some lovely Icelandic bath salt. 1/ Since then, I sprinkle a tablespoon in the bath when
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Since you asked, yes, I will write a thread about the SVD.The SVD solves the optimization problem in the screenshot (X is nxp).The k columns of U and V are
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The new cover article in @NautilusMag is about the sordid history of eugenics in the field of statistics. I had a conversation with @aubreyclayton a few months ago, when he
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The Bias-Variance Trade-Off & "DOUBLE DESCENT" Remember the bias-variance trade-off? It says that models perform well for an "intermediate level of flexibility". You've seen the picture of the U-shape test
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When I teach cross validation in my Intro to Statistical Learning course, I literally spend a class on “potential pitfalls of CV” and this is the main error I talk
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Like many people, I have spent the last 10 days watching so much tragedy unfold. So much anguish from Black colleagues here on twitter. And so I've been trying to
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