Search results
The Geographic Distance Matrix Generator is a platform-independent Java application that implements the same powerful suite of spherical functions as the Perpendicular Distance Calculator to compute all pair wise distances from a simple list of geographic coordinates.
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.
A small CGI site for generating a UPGMA tree from a distance matrix can be found here. UPGMA is a distance method and therefore needs a distance matrix. UPGMA is "ultrametric", meaning that all the terminal nodes ( i.e. the sequences/taxa) are equally distance from the root.
24 maj 2017 · In this simulation study, we analyze the behavior of different genetic distances in Island (null hypothesis) and stepping stone models displaying varying neighborhood sizes.
Computing genetic distances using the Alignment object¶ Abbreviations listed from available_distances() can be used as values for the distance_matrix(calc=<abbreviation>).
21 kwi 2021 · GSDA then computes a phenotype distance matrix (Fig. 1b) and an expression distance matrix for the genes in the gene-set (Fig. 1c). Each entry of the distance matrix gives the distance between a pair of subjects in terms of the variable for which the distance was computed.
17 mar 2021 · A distance matrix has to satisfy additional properties in order to correspond to some weighted tree. In fact, there are two models that assume special constraints on the distance matrix: Ultrametric: For all triplets (a, b, c) of leaves, two pairs among them have equal distance, and the third distance is smaller; i.e. the triplet can be ...
