How to add mean of coordinates in bivariate plot, aka plotting Centroids
I have a series of coordinates with two types of rows. Data is in three columns: Column1(x-coordinates), Column2 (y-coordinates), and Type.After I plot them in a bivariate analysis and draw an ellipse around both groups of coordinates, I'd like to have a marker added to the center of each group marking the centroid of each group of coordinates. The marker should, preferably, match the color determ...