Understanding Plots in R: A Deep Dive into Plotting and Legends

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

Extracting Coefficient Value from Legend in R Plots

Customizing Legend Categories and Scales with ggplot 2 in R

Assigning Math Symbols to Legend Labels for Two Different Aesthetics in ggplot2

Creating a Fake Legend in ggplot: A Step-by-Step Guide Using qplot() and grid.arrange()