Optimizing User-Defined Functions in data.table: A Performance-Centric Approach

Vectorizing an If-Else Tower in R: A Comprehensive Approach

Ranking Observations Across Multiple Groups Using R's Data Table Package

Improving Readability and Maintainability: A Revised Data Transformation Function in R

Understanding Vector Output in data.table: Solutions and Best Practices for Efficient Data Analysis

Selecting Highest Values per Group using R's data.table Package

Summarizing Data with R and data.table: Advanced Techniques for Carrying Over Multiple Columns

Efficiently Calculating New Data.table Columns by Row Values in R

Infering Data Types in R: A Step-by-Step Guide to Correct Column Typing

How to Pass a List of Columns to data.table's CJ Function as a Vector