Overfitting
topic on 3 shows · 3 statements across 3 episodes
the Knowledge Project 
Lenny's Podcast 
Capital Allocators
3 statements about Overfitting, every show
Lütke: Goodhart's law is the business equivalent of ML overfitting
“There's a business analogy of this, which is that, or not actually an analogy, it's called Goodhart's law. It's literally the same thing as overfitting, just for businesses. Goodhart's law just says any metric that becomes a goal ceases to be a good metric.”
Braga: Overfitting data is the biggest sin for systematic traders
“Well, for the systematic trader, it's overfitting. It's just looking at all the data that you know is filled with randomness and coming out and say, ah, this is going to be a brilliant strategy and it's going to perform right. So overfitting to the data and th…”