Left Joining Two Data Frames by One Column, with a Secondary Column for Non-Matches in R Using Dplyr

Creating a List of 2X3X3 Correlation Matrices Using tidyr and dplyr in R to Analyze Variable Evolution Over Time.

Pivoting Data: Mastering Long to Wide Transformations with pivot_longer() and pivot_wider() in R

Creating Dyadic Data Structures with R and Dplyr: A Step-by-Step Guide

Counting Values Within Columns to Create a Summary Table in R

How to Use Purrr's Nest Function in R for Nested Data Manipulation

Regular Expressions for Extracting Duration Information in R: A Practical Guide

Grouping Columns for X-Values and Y-Values in a Data Frame Using pivot_longer: 3 Effective Strategies

Extracting Specific Digits from Numeric Variables in R

Checking if Values in R DataFrames Match a Predefined List of Strings Using Fuzzy Joining