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SKAT-O for recessive variants only

Hello,

I want to see if some genes of interest have an increased burden of alternative homozygous variants in cases versus controls. Is there an easy way to implement this in SKAT?

Something I am considering doing is creating a dummy VCF file in which reference homozygous and heterozygous variants are set to 0/0 and alternative homozygous are kept unchanged (0/1). I will then run SKAT over this file. Is this a sensible approach?

Thanks a lot

skat skat-o skat skat-o

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