3min chapter

Invest Like the Best with Patrick O'Shaughnessy cover image

Jesse Livermore – The Search for the Truth with the Anonymous Master - [Invest Like the Best, EP.136]

Invest Like the Best with Patrick O'Shaughnessy

CHAPTER

Using the Hold Out Method in Machine Learning

You can come up with in infinite space of things that you can test. If you keep testing, you're going to eventually stumble upon t o patterns,. And that's such a problem. So what do you do about that? Well, try to find ways to constrain the process so that if that's happening, you'll catch it. Use the hold out method to test stuff out a sample and call your shot. The subversion aspect is also apro m with respect to the concept of search. It makes it much easier to unknowingly and unwittingly engage in multiple comparisons as a phenomenond and end up subverting the basis.

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