How to Filter Common Answers in a Dataset Using R's dplyr and tidyr Packages

Creating a New Variable in a Data.Frame Based on Row Values: A More Efficient Approach with data.table Package

Creating a New Column Using ifelse: A Simpler Approach to Conditional Data Analysis in R

Working with Data Frames in R: A Step-by-Step Guide to Separating Lists into Columns

Extracting the N-th Lowest Value by Values of One Column for All Levels of Another Column Using Aggregate()

Passing Arguments into Subset Function in R

Extracting Rolling Maximum Values Based on Column Values: A Comparative Analysis of Base R, data.table, and dplyr

Creating a New Column Based on Specified Conditions in R Using rowSums() Function

Accessing Rows by Name in R Data Frames: A Comprehensive Guide

Removing Leading NA Values from Data Frames in R while Maintaining Equal Row Length