“All models are wrong but some are useful.” *George Box*

“Everything should be as simple as it can be, but not simpler.” *Albert Einstein*

A statistical model is means to capture the structure of the data as simply as possible. Put another way, our goal is to find the model that most efficiently and accurately summarizes how the data were generated.

Introduction to linear mixed models

*R for Statistical Learning* by David Dalpiaz. Chapter 4 Modeling Basics in R

*Statistical Thinking for the 21st Century* by Russell A. Poldrack. Chapter 5 Fitting models to data.

*Data Science with R* by Garrett Grolemund. Chapter 3 Model Fitting.