Grouping a Data Frame in R by Month and Year Using yearmon()

Using the across() Function in dplyr for Mutating Multiple Columns

Understanding the Issue with `group_by` and `mutate(mean)` in R: How to Correctly Calculate Group Means While Ignoring Missing Values

Creating a Contingency Table with xtabs Function in R for Data Analysis and Visualization

Change Entry Values in Certain Variables to NA while Preserving Rest of Data

Separating Variables from Formulas in R: A Deep Dive

Merging DataFrames in R with Missing Values Present in Common Column Using dplyr Library

Understanding the Problem: Remainder Function in dplyr or plyr - Finding the Dataset with Non-Matching Values Using R Packages for Efficient Data Manipulation and Analysis

Using `=` Inside `bquote` in dplyr: A Solution for Dynamic Naming

Using summarise_each() to Apply Functions to Non-group_by Columns in Dplyr