--genome invokes an IBS/IBD computation, and then writes a report with the following fields to plink.genome:
FID1Family ID for first sample IID1Individual ID for first sample FID2Family ID for second sample IID2Individual ID for second sample RTRelationship type inferred from .fam/.ped file EZIBD sharing expected value, based on just .fam/.ped relationship Z0P(IBD=0) Z1P(IBD=1) Z2P(IBD=2) PI_HATProportion IBD, i.e. P(IBD=2) + 0.5*P(IBD=1) PHEPairwise phenotypic code (1, 0, -1 = AA, AU, and UU pairs, respectively) DSTIBS distance, i.e. (IBS2 + 0.5*IBS1) / (IBS0 + IBS1 + IBS2) PPCIBS binomial test RATIOHETHET : IBS0 SNP ratio (expected value 2)
PLINK v1.90b6.5 64-bit (13 Sep 2018) www.cog-genomics.org/plink/1.9/ (C) 2005-2018 Shaun Purcell, Christopher Chang GNU General Public License v3 Logging to HapMap_3_r3_11.log. Options in effect: --bfile HapMap_3_r3_10 --filter-founders --make-bed --out HapMap_3_r3_11
515185 MB RAM detected; reserving 257592 MB for main workspace. 1073743 variants loaded from .bim file. 161 people (77 males, 84 females) loaded from .fam. 110 phenotype values loaded from .fam. 51 people removed due to founder status (--filter-founders). Using 1 thread (no multithreaded calculations invoked). Before main variant filters, 110 founders and 0 nonfounders present. Calculating allele frequencies... done. Total genotyping rate in remaining samples is 0.998016. 1073743 variants and 110 people pass filters and QC. Among remaining phenotypes, 55 are cases and 55 are controls. --make-bed to HapMap_3_r3_11.bed + HapMap_3_r3_11.bim + HapMap_3_r3_11.fam ... done.