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Me: How to find best threshold for highest precision?

TL: Plot ROC.

Me: I have never heard about ROC. What is it?

TL: I will tell you in a minute.

PM: Yeah you should use ROC to find threshold.

"During this day in meeting with CEO PM used word ROC for 2 to 3 times."

Me: Next day DuckDuck Gos and read article of Jason Brownlee about ROC.

ME: Plots curve and show it to the PM.

PM: Sees in amazement and say is this ROC curve?

ME: Laugh internally.

TL;DR Why do PMs pretend they know everything?

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