1000 Genomes 30x (NYGC) haplotype LD among ABO tag SNPs
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Pairwise haplotype r² and D' for rs8176747, rs8176746, rs8176719, and
rs505922 in AFR, AMR, EAS, and EUR. Research use only; not serological typing.

Source VCFs (not in this repository):
  ~/.gwaslab/{ANC}.ALL.split_norm_af.1kg_30x.hg38.vcf.gz

Regenerate:
  ./examples/run_1kg_ld.sh

The statistic is haplotype-frequency r² from phased GT (same as PLINK 2
--r2-phased). See docs/markers.md.

1000 Genomes Project data: https://www.internationalgenome.org/
