16h ago · 14 min read · Markets do not stay in one regime. The S&P 500 can cruise at 10% annualised volatility for months, then a crisis hits and volatility doubles overnight. Any model trained on the calm period is useless
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May 27 · 7 min read · This is the third post in my Google Advanced Data Analytics Certificate series, documenting the TikTok claims classification project. Part 1 covers initial data inspection (Course 1). Part 2 covers ED
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May 11 · 7 min read · Part 74 of Forgotten Theories, a series re-testing old scientific claims with modern tools. Find the rest under the #forgotten-theories tag. In 1903 Udny Yule wrote a short paper on the association between two attributes in a 2x2 table. He noticed t...
Join discussionMay 11 · 7 min read · Part 85 of Forgotten Theories, a series re-testing old scientific claims with modern tools. Find the rest under the #forgotten-theories tag. Ernst Weber, working in Leipzig in the 1830s, ran a simple experiment. He placed a small weight in a subject...
Join discussionMay 11 · 6 min read · Part 99 of Forgotten Theories, a series re-testing old scientific claims with modern tools. Find the rest under the #forgotten-theories tag. In 1939 Richard von Mises published a short paper with the unwieldy title Über Aufteilungs- und Besetzungswa...
Join discussionMay 11 · 6 min read · Part 98 of Forgotten Theories, a series re-testing old scientific claims with modern tools. Find the rest under the #forgotten-theories tag. In 1867 Pafnuty Chebyshev published a short proof of an inequality that any student of probability eventuall...
Join discussionMay 11 · 6 min read · Part 88 of Forgotten Theories, a series re-testing old scientific claims with modern tools. Find the rest under the #forgotten-theories tag. Francis Galton spent a chunk of the 1880s measuring families. He had his Anthropometric Laboratory at South ...
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