Using WHERE before BY: Alternative Approaches for Efficient Data Table Operations in R

Efficient Data Manipulation in R: Grouping Multiple Files and Creating New Columns

Flagging Rows in a Group Using Data Table in R

Filtering Columns in Data Tables by Vector of Names Using data.table

Finding Maximum and Minimum Values in R Data Tables with data.table Package

Optimizing Data Table Operations: A Comparison of Methods for Manipulating Columns

Understanding the Date Datatype Issue in RNotebook: A Solution-Oriented Approach to Resolving Data Loss and Formatting Issues

Concatenating Unique Strings of Variable in Data.table by Repeated Values of Another Variable

A Comprehensive Comparison of dplyr and data.table: Performance, Usage, and Applications in R

Subset Data.table Using R's data.table Package to Identify Columns With More Than A Given Number of Non-NA Values