Piranhas and prime factors

1 · John Cook · April 10, 2023, 1:38 p.m.
The piranha problem says an event cannot be highly correlated with a large number of independent predictors. If you have a lot of strong predictors, they must predict each other, analogous to having too many piranhas in a small body of water. The piranha problem is subtle. It can sound obvious or mysterious, depending on […] The post Piranhas and prime factors first appeared on John D. Cook....