CpG_chrm

CpG_beg

CpG_end

probeID

MASK_general_AFR

MASK_snp5_AFR

MASK_general_EAS

MASK_snp5_EAS

MASK_general_EUR

MASK_snp5_EUR

...

MASK_snp5_ASW

(1-3) CpG_chrm, CpG_beg, CpG_end: the location of the target. CpG_beg is 0-based coordinate and CpG_end is 1-based. The coordinates should have a span of 2 nucleotides for CpG probes, or 1 nucleotide for CpH and SNP probes. Some erroneous CpH probe coordinates mapping information in the manufacturer's manifest have been corrected.
(5) Probe_ID: Probe ID
MASK_general_AFR, ..., ASW: general mask for each population
MASK_snp5_AFR, ..., ASW: SNP5 mask for each population