Reshaping a DataFrame using Stack/Unstack: A Step-by-Step Guide

Understanding the Percentage of Matching, Similarity, and Different Rows in R Data Frames

Applying Conditional Logic with Dplyr and Regular Expressions in R: Grouping Data Based on Item Patterns

Applying a Function to Factors of a Data.Frame in R: A Comparative Analysis Using Aggregate, Dplyr, and Data.table

Using Built-in Functions in R to Transform a DataFrame: A New Approach with dplyr

Converting Long-Format Data to Wide Format in R: A Step-by-Step Guide

How to Convert a data.frame from Wide to Long Format Using melt() and pivot_longer() in R

Finding Local Minima and Maxima in a Column of Data: A Step-by-Step Guide Using R

Automating Sales and Units Calculation for Unique Brands in R Data Analysis

Replacing Rows in R Dataframes Using a Robust Approach