WEIGHT_maf: Returns minor allele frequency based weights

In SPA3G: SPA3G: R package for the method of Li and Cui (2012)

Description

WEIGHT_maf calculates a weighting scheme based on the minor allele frequency: 1/sqrt(maf)

Usage

WEIGHT_maf(G)

Arguments

G	matrix: genotypes data with columns as samples and rows as SNP markers

Value

a numeric vector of weights defined as 1/sqrt(maf)

Examples

## The function is currently defined as
function (G) 
{
    qs <- apply(G, 1, sum)/nrow(G)
    return(1/sqrt(qs))
}

SPA3G documentation built on May 2, 2019, 11:12 a.m.