write_bed {BGLR}

write_bed

Description

This function writes genotype information into a binary PED (BED) filed used in plink. For more details about this format see http://zzz.bwh.harvard.edu/plink/binary.shtml.

Usage

  write_bed(x,n,p,bed_file)

Arguments

n

integer, number of individuals.

p

integer, number of SNPs.

x

integer vector that contains the genotypic information coded as 0,1,2 and 3 (see details below). The information must be in snp major order. The vector should be of dimension n*p with the snps stacked.

bed_file

output binary file with genotype information.

Details

The vector contains integer codes:

Integer code	Genotype
0	00 Homozygote "1"/"1"
1	01 Heterozygote
2	10 Missing genotype
3	11 Homozygote "2"/"2"

Author(s)

Gustavo de los Campos, Paulino Perez Rodriguez,

Examples

## Not run: 

library(BGLR)
demo(write_bed)


## End(Not run)