Gender coding in plink

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Jalil Sharif

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Sep 27, 2021, 7:48:39 AM9/27/21

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I am trying to create a gender/sex phenotype file in plink, the data cohort is from UK biobank, it has 273382 females coded as 0 and 273382 males coded as 1. What is the phenotype code for a covariate file in linux?

Would females be 1 and males be 2? or does it matter?

Christopher Chang

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Sep 27, 2021, 11:23:57 AM9/27/21

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See https://www.cog-genomics.org/plink/1.9/formats#fam .

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