[Phylobase-devl] node retrieval

[Hilmar Lapp]

On Mar 5, 2008, at 3:14 AM, Steve Kembel wrote:

> Are there any more decisions to be made about what to call things?
> Tips, internals, nodes, edges
> Descendant, ancestor, sister


I wouldn't use sister, use the more neutral 'sibling' instead.

There is also typically a distinction between parents versus  
ancestors, and children (or daughters) versus descendants (the first  
ones being in direct relationship, and the latter ones direct or via  
transitivity).

	-hilmar
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: Hilmar Lapp  -:-  Durham, NC  -:- hlapp at duke dot edu :
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