Check SNP by chromosome

Source: R/utils_fQC.R

Filters SNP names belonging to specified chromosomes.

check.snp.chromo(snpmap, chromosomes)

Arguments

snpmap

Data frame with SNP map info (must contain columns `Chromosome` and `Name`).

chromosomes

Vector of chromosome identifiers to filter.

Value

Character vector with SNP names.

Author

Roberto Higa

Examples

snpmap <- data.frame(Chromosome = c(1, 1, 2), Name = c("SNP1", "SNP2", "SNP3"))
check.snp.chromo(snpmap, 1)
#> [1] "SNP1" "SNP2"