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Main topics: ARB: a Short Introduction Glossary Starting ARB Parsimony K.L. Optimization of the Tree Nearest Neighbour Interchange and K.L. Optimization | Related topics:
# Nearest Neighbour Interchange OCCURRENCE DESCRIPTION NOTES EXAMPLES WARNINGS BUGS ## 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