Using the Value of a Variable Which Is Just Created in data.table

Efficient Data Ranking with Frank Rank: A Guide for R Users

Applying Functions to Specific Columns in a data.table: A Powerful Approach to Data Manipulation

Mastering Dates in R: A Comprehensive Guide to Lubridate and data.table

Understanding Data Tables and Grouping in R: A Powerful Tool for Data Analysis

Filtering Data.table on Multiple Criteria in the Same Column Using Various Methods in R

Creating Customized Output with Data Tables in R

Mastering R's `data.table` Package: Understanding the `class()` Function and Its Implications

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

Handling Long Column Names with Symbols in R's Data Table Package