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They literally hire the smartest people they can find for this, e.g. David Donoho [1] [1] https://en.wikipedia.org/wiki/David_Donoho https://en.wikipedia.org/w

• matheweis 4y ago
  From the interview linked in my other comment here, they’re not likely doing anything particularly special. relevant quotes: > Now we have some of the smartest people around, working in our hedge fund, we have string theorists we recruited from Harvard, and they're doing simple regression. > the smarter you are the less likely you are to make a stupid mistake. And that's why I think you often need smart people who appear to be doing something technically very easy > we had 7 Phd's just cleaning data and organizing the databases