How to Add Regression Lines to ggplot2 Plots for Data Visualization

Polynomial Regression with Dates as X-Axis: A Guide to Modeling Continuous Outcomes

Passing Additional Arguments to a Function Call Using Ellipsis in R with Environments and match.call()

Improving Mediation Analysis with the mediate Package: A Solution to Dropping Unmatched Observations Inside a Loop

Time Series Analysis with R's dplyr and lm Functions: A Step-by-Step Guide to Calculating Trends and Significance

Solving Linear Regression Models with R: A Guide to Calculating Key Statistics