Creating Custom Dotplots with ggplot2: A Step-by-Step Guide to Displaying Quartiles by Gender

Creating Count-Process Datasets for Non-Proportional Hazard (Cox) Models with Interaction Variables Using R and Survival Package

The provided code seems to be written in R programming language. It is used for data manipulation and analysis. Here are some key concepts and techniques explained:

Mastering Backports: A Comprehensive Guide to Installing R Packages from Previous Versions

Understanding Grouped DataFrames in R with `dplyr`

Resolving RStudio Load Namespace Failure in Shiny Applications: A Step-by-Step Guide

Subsetting a Large Dataset in R by Months Using the selectByDate Function

Understanding Poker Deck Simulation in R: Calculating Hand Probability with Unique Suits

Understanding Return Values in R Functions: Mastering Function Definitions and Matrix Inputs

Optimizing ggplot2 Visualizations: A Step-by-Step Guide to Reducing Layers and Improving Performance