Calculating the Moving Average of a Data Table with Multiple Columns in R Using Zoo and Dplyr

Deleting Columns in R's data.table Package: A Comparative Analysis of Approaches

Extracting First Non-NA Value for Each Group and Column in R Data.tables

Optimizing Performance When Working with Large CSV Files Using R's data.table Library

Efficiently Counting Unique Purchases Per Customer with R's data.table Package

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

Summing Array Rows in R Based on Conditions Using sapply() Function

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

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

Optimizing a Function with foreach Package in R: A Corrected Approach