How to Collapse Data by Count Using R: A Comparison of Two Solutions

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

Extracting Cumulative Unique Values in a Rolling Basis (Reset and Resume) using data.table R

Calculating Logarithmic Growth Rates and Grouping by Two Variables: A Comprehensive Guide with R

Understanding R's data.table Package for Efficient Data Analysis

Rolling Cross-Join on Portfolios Dataset to Impute Missing Shares in a Forward Manner Using R.

Summing Partial Datatable as Column for Another Datatable in R Using data.table Package

How to Create a Counter Column in R's Data.table Package Using Cumulative Sums

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

Selecting Rows from a Data Table in R with data.table Package