[BiO BB] About additivity, I have a question.

hz5 at njit.edu hz5 at njit.edu
Sat Sep 7 20:25:42 EDT 2002

additivity is a must for distance matrix. There are four must properties I guess.

Quoting ±èºÀÇö <joshuabhkim at dreamwiz.com>:

> Hi, everybody.
> I am working on making a java class for Phylogenetic tree generation,
> using Neighbor-joining method.
> While making the class, I read about additivity properties from the
> paper and books.
> My question is that if a given distance matrix doesn't hold that
> additivity property, than what shall we do and what can be done to avoid
> or alleviate that problem.
> I tried to get idea from other program sources, as far as I have been
> searching I could not grep any.
> Please help me. :)
> Thanks in advance 
> Kim, Bong-Hyun from Korea
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Haibo Zhang
Computational Biology, NJIT & Rutgers University

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