Tagged: correlation

Pearson correlation, least-squares regression, inference for regression coefficients, and chi-square tests.

Extreme outcomes tend to be followed by more ordinary ones. This is not a psychological phenomenon. It is a mathematical one, with real implications for how we evaluate causes and interventions.

A study shows premium cat food extends feline life. It probably doesn't. A walkthrough of confounders, causal DAGs, and collider bias: the machinery behind each illusion.