Collapsing a Matrix in R: A Step-by-Step Guide to Efficient Data Manipulation

Removing Duplicates by Keeping Row with Higher Value in One Column

Calculating Average Plus Count of a Column Using Pandas in Python

Using car to Recode Across Range of Columns in R

Creating a New Column in a Data Frame Based on Conditions and Values Using lag() + ifelse() in R Programming Language

Working with Data Frames in R: Explicitly Stating Argument Values as Data Frames

How to Convert Data into a Transaction Format Using the Tidyverse Library in R Studio

Change Colour of Line in ggplot2 in R Based on a Category

Selecting Cases Based on Two Variables in R

Matching DataFrames: A Robust Approach to Data Analysis.