Hacker Newsnew | past | comments | ask | show | jobs | submitlogin

> The second part is the so-called "Look Elsewhere Effect."

Also more generally known as the "multiple testing" problem, fwiw (not sure why it has a different name in physics, unless I'm missing a subtlety).

It's a major problem in "big data" also, where people just data-dredge thousands of possible parameter choices and pairwise correlations, and then report the p<0.01 results that came up, even though you'd expect several false positives just by chance with that methodology.



Consider applying for YC's Fall 2026 batch! Applications are open till July 27.

Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact

Search: