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5 dni temu · We present the first combinatorial proof of the Graham-Pollak Formula for the determinant of the distance matrix of a tree, via sign-reversing involutions and the Lindström-Gessel-Viennot Lemma. Our approach provides a cohesive and unified framework for the understanding of the existing generalizations and q -analogues of the Graham-Pollak ...
4 dni temu · CREx: distance matrix.How should the results from the new tables, where the diagonal is zero, be interpreted? Most of the literature I see follows the common intervals where a higher number is more similar as they share more common intervals.
3 dni temu · CLUMPP software was used to generate a consolidated population (Q) matrix from the STRUCTURE runs for the best K value. Lines with probability of membership 0.6 were assigned to a subgroup. Pairwise genetic distances were calculated using the Powermarker V3.25 under the Nei (1983) model. PCA was performed using TASSEL on 7,926 SNP markers.
1 dzień temu · An LOD (short for “logarithm of the odds”) score is a statistical estimate of the relative probability that two loci (e.g., a disease-associated gene and another sequence of interest, such as a variant or another gene) are located near each other on a chromosome and are therefore likely to be inherited together.
5 dni temu · A multivariate analysis, PCoA (Principal Coordinate Analysis), based on pairwise genetic distances between individuals was performed using Genetix and plotted using the “ggplot2” and “scatterplot3d” v.0.3-44 R packages.
1 dzień temu · VectorBuilder’s Sequence Alignment tool allows you to not only directly compare two sequences at the DNA or protein level, but also compare two DNA sequences based on translation. You can also design vectors containing your sequence of interest.
4 dni temu · We give the first combinatorial proof for a formula to compute the principal minor of $D$ indexed by $S$, namely $\det D[S]$. This generalizes work of Graham and Pollak, as well as more recent works. Comments:
