Performing Non-Equi Joins in R Using data.table Library

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

Summarize Variables in a data.table using Objects: Two Solutions for Efficient Data Manipulation

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

How to Assign Value in Data.Table via .SD Index in R Package data.table

Understanding How Copying Tables Affects Column Names in R's Data Structures Using Data.Table Objects

Creating a Group-by Table with Zero Padding for Missing Levels in R

Resolving Unused Argument Errors While Grouping within Functions in R

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

Interpolating Missing Values in a data.table without Groups Using Linear Interpolation