Supplement to " Metadata-based Multi-Task Bandits with Bayesian Hierarchical Models " Anonymous Author(s) Affiliation Address email A Review of Statistical Concepts 1

Supplement to "Metadata-based Multi-T ask Bandits with Bayesian Hierarchical Models" See [11, 42] for more detailed discussions. Consider a supervised learning problem, where we have N subjects. Finally, these three models are all special case of the following hierarchical model (a.k.a. The aforementioned statistical concepts are typically introduced for supervised learning. It is easy to see this model is a random effect model.