Fig. 2
From: Hierarchical clustering of maximum parsimony reconciliations
![Fig. 2](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs12859-019-3223-5/MediaObjects/12859_2019_3223_Fig2_HTML.png)
Improvement of two clusters versus no clustering as a function of the size of the initial clustering, N. Each color represents a different gene tree. The sizes of the initial clusterings varies among gene trees due to differences in their reconciliation graphs