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

Finding the Most Common Value Every 50 Columns in a Data Table using R's sapply Function and MASS Package

Calculating Percentage Increase/Decrease in Time Series Data with R: A Step-by-Step Guide

Creating Data Frames and Vectors in R: A Step-by-Step Guide Using data.table Library

Assigning Column Names to a Data Table Whose Name is Selected from Another Data Table

Performing Non-Equi Inner Joins on Data Ranges with data.table in R

Handling Character Data Issues When Uploading to SQL Server 2012 via ODBC dbWriteTable: A Step-by-Step Solution Guide

Transforming Data from Wide Format to Long Format with Regular Expressions and `pivot_longer()`

How to Group Rows by Variable in R Language: A Comparative Approach Using dplyr, tidyr, and purrr Packages

The Fastest Way to Parse Rules String into DataFrame Using R.