Retrieval of chr:pos+a1/a2 according to SNP id — inv_chr_pos_a1_a2 • gap

This function obtains information embedded in unique identifiers.

Usage

inv_chr_pos_a1_a2(chr_pos_a1_a2, prefix = "chr", seps = c(":", "_", "_"))

Arguments

chr_pos_a1_a2: SNP id.
prefix: Prefix of the identifier.
seps: Delimiters of fields.

Value

A data.frame with the following variables:

chr Chromosome.
pos Position.
a1 Allele 1.
a2 Allele 2.

Examples

# rs12075
inv_chr_pos_a1_a2("chr1:159175354_A_G",prefix="chr",seps=c(":","_","_"))
#>                     chr       pos a1 a2
#> chr1:159175354_A_G chr1 159175354  A  G