Using Aggregate Functionality with Data.table: A Replication Study

Vectorizing an If-Else Tower in R: A Comprehensive Approach

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

Update Values in a Data Table Using Join Operation

Understanding Data.table Differenced Operations with Dates in R

Selecting and Assigning to Data Tables with Variable Names in Character Vectors Using data.table Package.

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

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

Rewriting R Code to Avoid Security Vulnerabilities with .==

Mastering mapply for Efficient Data Manipulation in R