Query vcf file, extracting by chromosome and position
query_chrompos_file(chrompos, vcffile, id = NULL, build = "GRCh37")
Either vector of chromosome and position ranges e.g. "1:1000" or "1:1000-2000", or data frame with columns chrom
, start
, end
.
Path to .vcf.gz GWAS summary data file
If multiple GWAS datasets in the vcf file, the name (sample ID) from which to perform the filter
Default="GRCh37" Build of vcffile
VCF object