Lecture B02 of Statistical Rethinking 2026. Multilevel model expansion: workflow, cluster and feature engineering, non-centered parameterization, dank memes. Continues next week with models of population covariance and (if there is time) group-level confounding and "Mundlak machines".
Statistical Rethinking 2026 - Lecture B02 - Multilevel Model Expansion
YouTube video by Richard McElreath
youtube.com