Extracting Interaction Terms from Regression Estimates in R Using Multiple Approaches

Comparison of Coefficient Test Across Subsamples in Clustered Models

Understanding r lm Parameter Estimates: A Deep Dive

Dealing with Interdependent Factors in Linear Models: Strategies for Rank-Deficiency Resolution

Using Ongoing Data with Linear Regression in R: A Practical Guide

Understanding Na.action in lapply with lm Function for Accurate Linear Regression Modeling

Understanding Linear Models and Polynomial Regression Techniques in R for Efficient Predictions