BioConductor SnpMatrix and XSnpMatrix classes and methods


This BioConductor package provides R functions to work with SnpMatrix and XSnpMatrix classes and methods.

SnpStats arose out of the need to store, and analyse, SNP genotype data in which subjects cannot be assigned to the three possible genotypes with certainty. This necessitated a change in the way in which data are stored internally, although snpStats can still handle conventionally called genotype data stored in the original snpMatrix storage mode. snpStats currently lacks some facilities which were present in snpMatrix (although, hopefully, the important gaps will soon be filled) but it also includes several important new facilities.

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