Working with Tidyr's `unnest_longer` to Convert a List Column into Long Format

Finding Members in Only One of the Two Groups and in Both the Groups

Efficiently Replace Values Across Multiple Columns Using Tidyverse Functions

Data Merging and Filtering: A Comprehensive Guide to Removing Non-Matching Rows

Correlation Matrix of Grouped Variables in dplyr Using Multiple Approaches

Calculating Moving Averages for Multiple IDs by Date in R: 3 Alternative Approaches

Extracting Column Names Based on a Specific Value in a Dataframe

Filtering Data with Time Series Columns in R: Workarounds and Considerations