Mastering Dplyr's Aggregation Behavior: A Guide for R Users

Using apply and mutate to create a new variable in data manipulation: A Step-by-Step Guide to Efficient Data Transformation

Creating a Column Based on Substring of Another Column Using `case_when` with Alternative Approaches

Updating Multiple Rows Based on Conditions with Dplyr in R

Using Dplyr to Merge and Transform Dataframes in R

Converting Sys.Date() from UTC to GMT+2:00 in R: A Step-by-Step Guide

Retrieving User Locations from Twitter Search Results Using twitteR and dplyr

Creating a New Column in a Smaller DataFrame Based on Conditions Met by Another Larger DataFrame

How to Filter Data Frames with Only One Column Meeting a Certain Condition in R

Understanding the Pivot Wider Function in R: A Comprehensive Guide to Data Transformation