Search results
This chapter introduces some of the methodologies used in estimating genetic distances, how we analyze them, and how we portray our results in a graphical fashion amenable for interpretation. Underlying most estimates of genetic distance are sets of geometric and/or evolutionary assumptions.
11 gru 2023 · Distance weights The --distance-wts flag allows you to weight the variants in an arbitrary manner. 'exp=<x>' causes a weight of (2q(1-q))-x to be applied to each variant, where q is the loaded or inferred MAF. If a filename is provided instead, variant IDs are loaded from the first column and weights from the second.
Input consists of raw data or distance matrices in appropriate GenAlEx format (see the ‘Data Format in GenAlEx’ section). In order to proceed with an analysis the worksheet containing
17 mar 2021 · Although this method is guaranteed to find the correct tree if the distance matrix obeys the ultrameric property, it turns out to be a inaccurate algorithm in practice. Apart from lack of robustness, it suffers from the molecular clock assumption that the mutation rate over time is constant for all species.
The distance matrix is widely used in the bioinformatics field, and it is present in several methods, algorithms and programs. Distance matrices are used to represent protein structures in a coordinate-independent manner, as well as the pairwise distances between two sequences in sequence space.
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...
24 maj 2017 · Performance comparisons between the different genetic distances to detect isolation by distance in two-dimension stepping stones with different migration rates (m) and sub-population numbers...
