Handling Missing Values in Linear Mixed Models with LME4: A Step-by-Step Guide to Mitigating Bias and Improving Accuracy

Understanding Model Specification in GLMM with R's glmer for Generalized Linear Mixed Models: A Step-by-Step Approach to Capturing Hierarchical Data Structures

Understanding Linear Mixed Models and Cross-Validation: A Practical Guide to Leave-One-Out Cross-Validation in R Using lmer Function from lme4 Package

Solving Errors with the $ operator in R: A Step-by-Step Guide Using the nonnest Package

Extracting Coefficients from Linear Mixed Effects Models with R Code Example