Mastering Plot Usmap: A Comprehensive Guide to Creating Interactive Maps in R

Customizing Background Colors in Alaska and Hawaii using Choropleth Maps in R

Removing Antarctica from ggplot2 Maps with R: A Step-by-Step Guide

Understanding Data Must Be a DataFrame Issue in R: Practical Solutions for Resolving Common Errors When Using ggplot2

Understanding ggplot2's Color Fill Opacity with Variable Mapping