Benjamin Hume

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Questions related from Benjamin Hume

How are principal components generated directly from eigendecomposition of a 'sample' covariance matrix in PCAngsd?

To generate a PCA from lcWGS SNPs, one may use ANGSD to generate genotype likelihoods and then use these as input to generate a covariance matrix using PCAngsd. The covariance matrix generated...

24 January 2022 4,867 4 View

How do I import a large (>200x200) lower-left dissimilarity matrix into SPSS to conduct MDS?

I'm trying to conduct a multidimensional scaling analysis on a dissimilarity matrix using SPSS. I am having no problem importing matrices that are up to 200x200. Over that amount however when...

02 February 2016 6,547 3 View