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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.
21 kwi 2021 · Zhu et al. review and develop a distance correlation t-test framework to statistically evaluate the association between two quantitative data matrices. They show that distance correlations can detect non-monotonic associations with small to moderate sample sizes.
For several landscape genomics analyses, a pairwise genetic distance matrix is required as input. There are a variety of ways to calculate genetic distance, and the main function in this package, gen_dist(), allows a user to choose from five different genetic distances and saves square distance matrices as csv files.
11 gru 2023 · --distance is the primary interface to PLINK 1.9's IBS and Hamming distance calculation engine. Output formats By default, --distance causes a lower-triangular tab-delimited text file to be written to plink.dist, and a list of corresponding sample IDs to plink.dist.id. The first five modifiers allow you to change the output format.
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.
When the cell graph is large, the time cost for finding the optimal transport solution increases exponentially. In our framework, we have designed two strategies to accelerate the computation based on 1) cell graph coarse-graining, and 2) gene graph sparsification.
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.
