Module 4: multilevel/hierarchical models
Optional:
Data Analysis Using Regression and Multilevel/Hierarchical Models
by Gelman A., and Hill, J.:
Section 11: Multilevel structures
Section 12: Multilevel linear models: the basics
Section 13: Multilevel linear models: varying slopes, non-nested models, and other complexities
Section 14: Multilevel logistic regression
An Introduction to Categorical Data Analysis, Second Edition
by Alan Agresti:
Section 10: Random Effects: Generalized Linear Mixed Models
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here
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