
import hail as hl
mt = hl.balding_nichols_model(n_populations=3,
                              n_samples=500,
                              n_variants=500000,
                              n_partitions=32)
mt.show(10)

2021-06-22 17:45:44 Hail: INFO: balding_nichols_model: generating genotypes for 3 populations, 500 samples, and 500000 variants...
2021-06-22 17:45:45 Hail: INFO: Coerced sorted dataset


		0	1	2	3	4	5	6	7
locus	alleles	GT	GT	GT	GT	GT	GT	GT	GT
locus<GRCh37>	array<str>	call	call	call	call	call	call	call	call
1:1	["A","C"]	0/0	0/0	0/1	1/1	0/1	0/0	0/1	0/1
1:2	["A","C"]	0/1	1/1	1/1	0/1	0/1	1/1	0/1	0/1
1:3	["A","C"]	1/1	1/1	0/1	0/1	0/1	0/0	0/0	1/1
1:4	["A","C"]	0/1	1/1	0/0	0/0	0/1	0/1	0/0	0/1
1:5	["A","C"]	0/0	0/0	0/0	0/0	0/0	0/0	1/1	1/1
1:6	["A","C"]	0/1	1/1	0/0	0/1	0/1	0/1	0/1	1/1
1:7	["A","C"]	0/1	0/0	0/0	1/1	0/0	0/1	0/1	0/1
1:8	["A","C"]	0/1	1/1	1/1	1/1	1/1	1/1	0/1	0/1
1:9	["A","C"]	1/1	0/1	1/1	0/1	1/1	1/1	1/1	1/1
1:10	["A","C"]	0/1	0/0	0/0	0/1	0/1	0/0	0/1	0/1