!
! HLA-DR sharing in a rheumatoid arthritis pedigree from Rossen et al 
! Hum Immunol 1982; 4:183-196 used as an example of IBD-APM
! methods by Whittemore & Halpern Biometrics 1994; 50: 118-127
! Person 5 (2/9) set to missing to test MCMC methods
!
1 1 x x m n 2 9
1 2 x x f y 2 7
1 3 x x m n 1 3
1 4 x x f y 4 7
1 5 1 2 f n x x
1 6 3 4 m y 1 4
1 7 3 4 f y 3 4
1 8 5 6 m y 4 9
! end-of-pedigree
