Manhattan Distance

[Una Smith]

On Sat, Jan 19, 2002 at 08:40:09PM +0530, Gurcharan Singh wrote:
>Dear Taxacomers,
>Stace (Plant Taxonomy and Biosystematics, 2nd. ed., 1989, page 54) mentions "EUs are scored according to the number of differences in their respective character states; this table of so called 'Manhattan Distancees' is in effect dissimilarity matrix".

>"Distance is a phenetic, not a phylogenetic, method".

Distance measures are phenetic, not *cladistic*.  Some people restrict
the scope of phylogenetic methods to those which are cladistic.  For a
review see Sneath 1995 Systematic Biology 44(3):281-298, "30 years of
numerical taxonomy".

        Una Smith

Los Alamos National Laboratory, Mailstop K-710, Los Alamos, NM  87545