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Methods for phylogenetic analysis
Linköping University, Department of Mathematics.
2010 (English)Independent thesis Advanced level (degree of Master (One Year)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

In phylogenetic analysis one study the relationship between different species. By comparing DNA from two different species it is possible to get a numerical value representing the difference between the species. For a set of species, all pair-wise comparisons result in a dissimilarity matrix d.

In this thesis I present a few methods for constructing a phylogenetic tree from d. The common denominator for these methods is that they do not generate a tree, but instead give a connected graph. The resulting graph will be a tree, in areas where the data perfectly matches a tree. When d does not perfectly match a tree, the resulting graph will instead show the different possible topologies, and how strong support they have from the data.

Finally I have tested the methods both on real measured data and constructed test cases.

Place, publisher, year, edition, pages
2010. , 43 p.
Keyword [en]
phylogenetic trees, tight span, split decomposition
National Category
Computational Mathematics
Identifiers
URN: urn:nbn:se:liu:diva-56814ISRN: LiTH-MAT-EX--2010/20--SEOAI: oai:DiVA.org:liu-56814DiVA: diva2:327534
Uppsok
Physics, Chemistry, Mathematics
Supervisors
Examiners
Available from: 2010-08-31 Created: 2010-06-04 Last updated: 2010-08-31Bibliographically approved

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CiteExportLink to record
Permanent link

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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • oxford
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf