io.snp_unphased {adelie}

IO handler for SNP unphased matrix.

Description

IO handler for SNP unphased matrix.

Usage

io.snp_unphased(filename, read_mode = "file")

Arguments

filename

File name.

read_mode

Reading mode.

Value

IO handler for SNP unphased data.

Examples

n <- 123
s <- 423
filename <- paste(tempdir(), "snp_unphased_dummy.snpdat", sep="/")
handle <- io.snp_unphased(filename)
mat <- matrix(
    as.integer(sample.int(
        3, n * s, 
        replace=TRUE, 
        prob=c(0.7, 0.2, 0.1)
    ) - 1),
    n, s
)
impute <- double(s)
handle$write(mat, "mean", impute, 1)
handle$read()
file.remove(filename)