How to Mutate Columns and Transform a Wide DataFrame in R to Long Format Using Tidyr Package

Adding a New Column to All Rows in Dataframes Using Dplyr in R

Sorting Columns by Column Sum in R: A Comprehensive Guide

Averaging Different Columns in R using split.default and sapply Functions

Creating Dataframes with Vectorized Cells in R Using the I Function and data.table Package

Removing Duplicates by Keeping Row with Higher Value in One Column

Extracting Prefixes and Grouping by Number: A Step-by-Step Guide with dplyr and ggplot2

Detecting Outliers Using the Interquartile Range Method in R

Understanding Why Columns Are Dropped When Performing Operations on Pandas DataFrames

R Data Frame Transformation with reshape2 Package