Table 2:

Various relatedness statistics estimated by ngsRelateV2 and the summary statistics on which they are based

Statistic	Formula	Summary statistic	Source
r ab	J 1 + J7 + 0.75(J3 + J5) + 0.5J8	IBD	[12]
F a	J 1 + J2 + J3 + J4	IBD	[19]
F b	J 1 + J2 + J5 + J6	IBD	[19]
θ	J 1 + 0.5(J3 + J5 + J7) + 0.25J8	IBD	[19]
F 12	J 1 + 0.5J3	IBD	[12]
F 21	J 1 + 0.5J5	IBD	[12]
Fraternity	J 2 + J7	IBD	[20]
Identity	J 1	IBD	[20]
Zygosity	J 1 + J2 + J7	IBD	[20]
2-3-IBD	J 1 + J2 + J3 + J5 + J7 + 0.5(J4 + J6 + J8)	IBD	[16]
F diff	0.5(J4 − J6)	IBD	[16]
R 0	(C + G)/E	IBS	[17]
R 1	E/(B + D + H + F + C + G)	IBS	[17]
King	[E − 2(C + G)]/(B + D + H + F + 2E)	IBS	[17]

IBD: identity by descent; IBS: identity by state.