Table 2 Stratum representing subject i, for a specific gene, with t SNVs

1

n _i10

n _i11

n _i12

1

⋮

⋮

⋮

⋮

1

t

n _it0

n _it1

n _it2

1

Total

n _{i. 0}

n _{i. 1}

n _{i. 2}

t