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24 maj 2017 · In this paper, we propose a simulation approach in order to compare the respective performances of three genetic distances, FST * (using θ and other related FST estimators), DCSE and DSA, in ...
Arthur Georges | Georges Lab
This section focuses first on how we estimate distances, depending upon the level of interest, and then highlights some approaches for visualizing and gaining inferences from the distance matrix itself.
This guide applies to GenAlEx 6.5 onwards. It assumes a level of prior knowledge of population genetics likely held by an informed graduate student. The calculations performed by GenAlEx are detailed in a separate Appendix 1: Methods and statistics in GenAlEx 6.5, by Rod Peakall and Peter Smouse.
1 kwi 2016 · Genetic distance is the degree of gene difference (genomic difference) between species or populations that is measured by some numerical method. Genetic distance measures have already been...
UPGMA is a clock-requiring algorithm similar to neighbor-joining Algorithm: { Connect the two most similar sequences { Assign the distance between them evenly to the two branches { Rewrite the distance matrix replacing those two sequences with their average { Break ties at random { Continue until all sequences are connected This is too vulne...
DAMBE can compute genetic distances by using nucleotide, amino acid or codon sequences as well as allele frequency data, and the resulting distance matrix can be used directly in phylogenetic reconstruction using various distance methods implemented in DAMBE.
