!
! Example testing for problems using Sib-pair for X-linked data
!
set locus trait affected
set locus DXYS103  marker 0.670568  ( 0.790)
set locus DXS318  xmarker   1.69  ( 1.991)
set locus DXS8087 xmarker  192.9  (159.067)
read pedigree xlinked.ped
run
freq

