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

Creating New Columns Based on Strings Appearing at Least Twice in a Variable When Grouped by Another Column

Finding Consecutive Time Intervals with Exactly N Days Difference Using R

Understanding dplyr Filter: How to Exclude Data Using Complement Logical Conditions

Tidying Multiple Observations per Row with tidyverse

Updating Rows Based on Conditions in R Using dplyr: A Comprehensive Guide

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

Replacing Column Values in DataFrame if They Are Found in a Vector Using Vectorized Operations with R Code Examples.

Summary of dplyr: A Comprehensive Guide to Summary Over Combinations of Factors

Mastering Left Joins in R: A Comprehensive Guide to Joining Datasets