Creating Custom Legends in ggplot2: A Comprehensive Guide

Customizing Raster Plot Legend Labels to Display Specified Breaks Value in R

Customizing Legends in R: A Step-by-Step Guide to Creating Separate Legends for T_level and P_bars Variables

Writing Equations with Variables in Legend: A Deep Dive into R's `parse()` Functionality

Understanding the Legend Not Appearing for ggplot Geom_point Color Aesthetics: Solutions for Missing Values

Adding Boxes for NA Values in ggplot2 Legends for Continuous Maps