Flirting with Models cover image

Daniel Grioli - Thinking like a Fox (S2E1)

Flirting with Models

CHAPTER

How to Measure Your Performance Beyond the Petrovskis F-Score

A quantitative manager was using Petrovskis F-score to screen out bad companies. He'd looked at the measures most commonly used by cell side analysts for each industry sector and he'd use those in his quant model. But what ended up happening was if you know how the PetrovSkis model works a stock can have a score between zero and nine but an eight is it necessarily better than a seven or worse than a nine. So that's probably a great example of Quantgon wrong and what we learned from that so yeah that was an interesting story talk to your friends on Twitter @jennifer_fitzpatrick.

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