Creating a List of Lists in R: A More Efficient Approach

Summarizing All Columns Except for Duplicate Strings and NA Values in R Using `summarize_all`

Panel Quantile Regression with Fixed Effects: Choosing Between ID and as.factor(ID) in R

Understanding Boxplots for Multiple Variables: Faceting vs Rescaling

Understanding DataFrames in R: Calculating Shared Rows Between Columns

Here is a revised version of the code with improved formatting and documentation:

Unit Testing Shiny Apps with shinytest and testthat: A Comprehensive Guide to Reliability and Maintainability

Importing CSV Files with R: A Step-by-Step Guide to Avoid Common Pitfalls and Errors

Understanding the Power of 3-Level Logistic Regression: A Comprehensive Guide to Analyzing Nested Data Structures in R

Mastering PDF Plot Devices in R: A Comprehensive Guide