Splitting Data into Wide and Long Formats in R Using melt Function from data.table Package

Understanding Data.table Joining Mechanism with Unkeyed Tables and Key Determination for Efficient Data Manipulation.

Passing Variables into Data Tables: A Flexible Solution for Dynamic Filtering in R

Efficiently Collapsing Large Vectors into Data Tables with RLEID Function

Understanding How to Remove Wash-Out Rows from an R DataFrame Based on Group Values

Joining Data Tables on All Columns Using R's data.table Package

How to Group Data in R: A Comparison of dplyr, data.table, and igraph

Understanding the Limitations of milli/micro Second Resolution for ITime in R

Subtracting Columns in a Dataframe: A Step-by-Step Guide with R Example

Understanding POSIXct Objects and Working with Dates in R: A Comprehensive Guide to Date Manipulation and Analysis.