Goal: This tutorial shows how to control the spacing around the ggplot2 legend—especially when the legend is placed at the bottom—and how to fine-tune multi-row legends. We begin with a reproducible baseline that illustrates the problem, then move through five practical fixes. You’ll learn when to use each parameter (x = NULL, legend.margin, plot.margin, multi-row… Continue reading How to Remove Space between Legend at Bottom and x-axis in ggplot2