It's since been dressed up with some mathiness, but this idea was originally proposed in the comment threads of pg's original article. [0] See the responses the

It's since been dressed up with some mathiness, but this idea was originally proposed in the comment threads of pg's original article. [0] See the responses there for a few reasons why it just won't work. To be concrete, assuming "performance" is measured as return on investment, min(performance) will always go to to -100% (i.e., bankruptcy) with a large enough sample size. [0] https://news.ycombinator.com/item?id=10484200 https://news.ycombinator.com/item?id=10484200