"Applied Regression and Multilevel Models" (by Andrew Gelman, Jennifer Hill, Ben Goodrich, Jonah Gabry, Daniel Simpson, and Aki Vehtari) is the updated and expanded second edition of the multilevel modeling parts of "Data Analysis Using Regression and Multilevel/Hierarchical Models," along with much new material on advanced regression.

We are currently working on Applied Regression and Multilevel Models, and we expect it will be finished around the end of 2020.

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