simGeno {simulMGF}

Function to simulate SNP matrix

Description

Simulate SNP matrix coded 0, 1 and 2; with random genotypes.

Usage

simGeno(Nind, Nmarkers)

Arguments

Nind

number of individuals to simulate.

Nmarkers

Nmarkers number of SNP markers to generate.

Value

a matrix of dimensions Nind x Nmarkers.

Author(s)

Martin Nahuel Garcia <orcid:0000-0001-5760-986X>

References

Wu, R., Ma, C., & Casella, G. (2007). Statistical genetics of quantitative traits: linkage, maps and QTL. Springer Science & Business Media.

Examples

#simulate 100 individuals and 1000 SNPs
set.seed(123)
simGeno(100, 1000)
#[1] "simG was generated"
dim(simG);simG[1:5,1:5]
#[1]  100 1000
#[,1] [,2] [,3] [,4] [,5]
#[1,]    0    1    0    2    2
#[2,]    2    0    2    0    0
#[3,]    1    1    1    2    2
#[4,]    2    2    1    2    1
#[5,]    2    1    1    1    1