Grouping Data by Factor and Ordered Row Position Using dplyr and slider Packages in R

How to Replace Missing Values with the Opposite of the First Non-Missing Value in Each Group Using zoo Package in R

How to Use purrr::map with dplyr Functions Inside a List

Optimizing Data Manipulation in R: A Step-by-Step Guide for Efficient Data Joining and Transformation.

How to Expand Factor Levels in R Using fct_expand: A Step-by-Step Guide

How to Concatenate Thousands of Columns Using UNITE in R

Replacing Outliers in Panel Data with Winsorization: A Step-by-Step Guide Using R