Identifies SNPs considered monomorphic.

check.snp.monomorf(snp.summary)

Arguments

snp.summary

Data frame with columns `P.AA`, `P.AB`, `P.BB`.

Value

Character vector with monomorphic SNP names. Returns `NULL` if none.

Author

Roberto Higa

Examples

df <- data.frame(P.AA = c(1, 0.5), P.AB = c(0, 0.5), P.BB = c(0, 0))
rownames(df) <- c("SNP1", "SNP2")
check.snp.monomorf(df)
#> [1] "SNP1"