R script used in the following manuscript:
Yue Clare Lou, Matthew R. Olm, Spencer Diamond, Alexander Crits-Christoph, Brian A. Firek, Robyn Baker, Michael J. Morowitz, Jillian F. Banfield (2021) [Infant gut strain persistence is associated with maternal origin, phylogeny, and functional potential including surface adhesion and iron acquisition] (https://www.biorxiv.org/content/10.1101/2021.01.26.428340v1)