This function implements definition 2.8 for n-overlap from Ané et al. (2009) tools:::Rd_expr_doi("10.1007/s00026-009-0017-x").
is_n_overlap(names_1, names_2, n = 2)
Boolean for whether the degree of overlap was met or not.
First vector of names
Second vector of names
Degree of overlap required
Ané, C., Eulenstein, O., Piaggio-Talice, R., & Sanderson, M. J. (2009). "Groves of phylogenetic trees". Annals of Combinatorics, 13(2), 139-167, tools:::Rd_expr_doi("10.1007/s00026-009-0017-x").