In article <D8CqKD.2rn at zoo.toronto.edu>, mes at zoo.toronto.edu (Mark
Siddall) wrote:
> In article <3okk7g$ab7 at mserv1.dl.ac.uk> "Essop, FM, Dr"
<MFESSOP at chempath.uct.ac.za> writes:
> >I have done some restriction mapping and constructed cladograms using
> >Hennig86. I am not sure what the following values indicate:
>> Oh my! _quae nocent docent_
> I see we have much work to do here.
> My first comment is that your non-understanding suggests that you are one
> who has simply stuck things into Hennig86 without sound knowledge of
> the foundations and philosophies of phylogeny reconstruction.
> A little knowledge is dangerous and I would highly reccomend that you
> spend a lot of time becoming learned.
> That said I will answer your queries albeit _in extenso_...
Sorry, but I really don't think it's necessary to be rude about it.
> (lots of other stuff)
> >iii) tree length - what for eg. does a tree length of 307 compared to
> >288 mean ? How does one "decide" what the best tree is - based on
> >tree length ?
>> If you used Hennig86 (properly) you will have got the shortest tree.
> This is the most parsimonious tree.
> This is the best tree.
Really? Why?
Mike