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Admixture cv = -nan

When I run the Admixture program against genomic SNP data from multiple samples some of the output cv values = "nan" or "-nan".

The manual does not explain this output - does anyone know whether this is a high or low cv value? Otherwise I cannot determine the best K value for my samples.

Anything helps!

admixture software error sequence snp

My guess would be that this looks like a divide by zero error -> infinity.

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