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Re^2: Maximal Parsimony Problem

by neversaint (Deacon)
on Sep 03, 2008 at 14:28 UTC ( [id://708768]=note: print w/replies, xml ) Need Help??


in reply to Re: Maximal Parsimony Problem
in thread Maximal Parsimony Problem

Hi Moritz,
It is based on phylogenetic tree, the substitution comparison from lower nodes must be compared to higher level.

E.g. For column 11, the bases for row 3 is compared to row 1. Same result will also be given if we compare row 3 to row 2. Both row 1 and row 2 has higher level than row 3 row 4 in phylogenetic tree.

---
neversaint and everlastingly indebted.......

Replies are listed 'Best First'.
Re^3: Maximal Parsimony Problem
by moritz (Cardinal) on Sep 03, 2008 at 14:36 UTC
    I still don't quite understand. We have 
    human:  C
chimp:  T
mouse:  T
rat:    C

    [download]

    So which comparisons exactly lead to to a number of 2? With which rules?

    As a poor perl programmer I'm not familiar with the phylogenetic tree, so if that's relevant here please explain in which relation these four examples appear in that tree.

[reply]
[d/l]
Re^3: Maximal Parsimony Problem
by lidden (Curate) on Sep 03, 2008 at 15:29 UTC
    Have you changed your example? 
    A
C
T
G

    [download]
    How does that become 3? And the column moritz quoted above used to bee:
    C
T
T
T

    [download]
[reply]
[d/l]
[select]

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