Calculate the (global) average spread of subpopulations in clades with 2 subpopulations on the constellation plot.
getAverageSpreadOf2SubpopClades(tsneResults, pacman_results)
t-SNE output of clade centroids' embedding.
PAC-MAN analysis result matrix that contains network annotation, clade IDs and mean (centroid) clade expression levels.
Returns global average of 2-subpopulation clade spread on the constellation plot.