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You can't mention spurious linear regression without predicting the S&P500 with Leinweiber's price of butter in Bangladesh indicator. https://nerdsonwallstreet

• klenwell 6y ago
  In a similar vein: https://www.tylervigen.com/spurious-correlations https://www.tylervigen.com/spurious-correlations I'm not convinced all of these are spurious.
• fractionalhare 6y ago
  Overfitting is insidious. These graphics would convince a lot of people who'd otherwise catch the error in the article without needing it to be explained to them. At that point it's not enough to eyeball the line of best fit, you have to sanity check the explanatory power and do cross validation...