How To Tell If Bed/Bim/Fam Data Are Phased?

Question

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For VCF files the rule is "pipe means phased, slash unphased". See A: Phased and unphased genotypes in VCF files: does the order of alleles matter?

Is there such a rule for the bed/bim/fam family of files?

Answer 1

[zx8754]

As far as I know, bed/bim/fam is a plink binary format of regular ped/map format, which is not a phased format.

See SHAPEIT for examples of file formats.