Anyone know of a way to compute admixture/ancestry estimates directly from principal components? Preferably in #rstats In some cases, PCs are pre-computed and getting the DNA data is difficult, so if one could just use the PCs it would be awesome.
#genomics
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Wouldn't that depend fairly heavily on the samples loaded?
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Perhaps I’m not understanding the context. Are these PCs all computed on the same set of individuals or across several where you might be able to calibrate it?
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Good question. Unfortunately I suspect they are just calculated within this sample which is very homogeneous.
End of conversation
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