Understanding the .names Function in R: Dynamic Column Name Modification with mutate(across...)

Understanding dplyr::case_when and its Execution Flow

Summarizing with Condition in R dplyr: A Step-by-Step Guide to Conditional Sums and Total Calculations

Combining Series of Columns in R: A Step-by-Step Guide Using lapply, paste0, and rename_all

Understanding POSIX Time and Its Conversion to Date-Time Format

Using extract on Multiple Columns and Naming Output Columns Based on Input Column Names in R

Creating New Columns in R: A Practical Guide to Populating Based on Prior Values

Identifying Nearby Rows in a Data Frame Using R: A Step-by-Step Guide

How to Duplicate a DataFrame in R and Add a Primary Key

Counting Last Observations of Each Company with Specific Value in costat and Counting dlrsn per Year Using Dplyr in R.