HackerTube / Video
The medical test paradox, and redesigning Bayes' rule
3Blue1Brown
3Blue1Brown explains why positive results on accurate medical tests are often false positives, and reframes Bayes' rule using likelihood ratios (Bayes factors) to update odds. It uses visual examples to make the reasoning intuitive.
HN's go-to link whenever Bayesian reasoning, base rates or imperfect tests come up.
7 Hacker News mentions · 2020–2025