phylogenetic tree/tumor subclone

[Mashuaiii]

Hi, @akdess

Thanks for this great work.

Recently, When I tested CaSpER, I didn't know how to draw a phylogenetic tree.

Whether to use the plotSCellCNVTree function to draw the phylogenetic tree, but this function seems to be able to input only one cell, and the following error occurs

Bests！