Working with Data Frames in R: Calling Data Frames by Name Inside an R Function Using Lists and Indexing for Efficient Code

Using the Tidyverse to Create Flexible Functions with NULL Values in R

Modifying User-Defined Functions in R to Append Output to External Vectors without Printing Results

Using the `by()` Function in R: How to Round Output with Ease

Using group_modify to Apply Function to Grouped Dataframe: The Power of the Dot (`...`) Syntax

How to Use a For Loop Function in R to Create a New Column

Running User-Defined Functions with Dynamic SQL in T-SQL

Creating Acronyms in R: A Solution Using Stringr Package

Understanding and Handling Errors in R with dplyr: A Guide

Understanding the Incomplete Gamma Function in R with Multiple Methods