Using Rowsum with Groupings or Conditions in R: A Step-by-Step Guide to Calculating Sums Based on Specific Criteria

How to Manually Enter a Key Using R's Cyphr Library

Mastering the Art of Indexing Nested Lists in R with Square Brackets and Double Square Brackets

Creating a New Column in R Based on an Existing Column Compared to a Vector Using dplyr

Creating Complex Plots with ggplot2: Mastering grid.arrange() for Data Visualization in R

Creative Ways to Repeat Commands in R: String Manipulation and List Operations

Counting Fridays and Mondays in R Using lubridate Package

Specifying Exact Limits in R Plots Using coord_cartesian and geom_link2

Identifying Indices of Any Substring Using R's substring Indexing

R mutate recode: Unlocking the Power of Data Transformation in R