Finds the edges present in the first tree but not in the second

`distinct_edges(dend, dend2, ...)`

A dendrogram implementation for distinct.edges from the distory package

- dend
a dendrogram to find unique edges in

- dend2
a dendrogram to compare with

- ...
Ignored.

A numeric vector of edge ids for the first tree (dend) that are not present in the second tree (dend2).

distinct_edges, highlight_distinct_edges, dist.dendlist, tanglegram distinct.edges