How To Annotate Clusters with Circle/Ellipse by a Variable in R ggplot2
In this article, we will discuss how to annotate Clusters with Circle/Ellipse by a categorical variable in the R Programming Language using the ggplot2 package. To add a circle or ellipse around a cluster of data points, we use the geom_mark_circle() and geom_mark_ellipse() function of the ggforce p