Fitting GMM Models Using the GMMAT Package in R and Extracting Fit Statistics Including AIC, R2, and P-Values.

Understanding the MEEM Error in Linear Mixed-Effect Models in R: A Step-by-Step Guide to Resolving Multicollinearity Issues

Visualizing the Worst Linear Regression Model: A Simple yet Effective Approach

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