Before diving into code examples, let’s understand the basics. In R, legends are essential for explaining the meaning of different elements in your plot, such as colors, lines, or shapes. Legends help your audience interpret the data effectively.
In most cases, R’s base plotting system provides you with control over the legend’s size. The key functions we’ll explore are
legend()andguides(). We’ll also delve into how to modify legend size in popular plotting packages likeggplot2.
Click through for those demonstrations.