Dmitry Kobak
hippopedoid
Remember the galaxy-like UMAP visualization of integers from 1 to 1,000,000 represented as prime factors, made by @jhnhw?I did t-SNE of the same data, and figured out what the individual
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Did you know that the optimal ridge penalty λ in linear regression can be *negative*? It's always strictly positive when n>p. Or when cov(x)=I. Or when true β is random.
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