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Built a Bayesian decision agent from scratch to actually understand it — what am I getting wrong?

This story is from 2026-08-21. It is preserved in the archive; the latest stories are on the live feed.

​ Instead of just reading about Bayes/entropy/expected cost I forced myself to build a tiny agent that decides under uncertainty (vendor payment fraud: pay, verify by phone, or escalate) and derive every threshold by hand instead of guessing. The thing that surprised me most: the "right" thr…

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  1. 2026-08-21 15:36 · r/learnmachinelearning
    Built a Bayesian decision agent from scratch to actually understand it — what am I getting wrong?

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