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Last update on 06. Sep 2018 .
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    Nearest Neighbour Interchange

    OCCURRENCE

    ARB_NT/Tree/Parsimony/<NNI>

     

    DESCRIPTION

    Searches for a better (more parsimonious) tree by swapping the relative positions of subtrees separated by not more than one edge.

     

    NOTES

    The current parsimony value (number of base changes needed) is displayed after the 'Current Par' prompt in the upper part of the 'ARB_PARSIMONY' window and the 'Message' window (pops up while calculating).

    On cycle of swapping is performed.

     

    EXAMPLES

    None

     

    WARNINGS

    None

     

    BUGS

    No bugs known