R: Functions for inspecting population substructure

qqpval {SNPassoc} | R Documentation

## Functions for inspecting population substructure

### Description

This function plots ranked observed p values against the corresponding expected p values in -log scale.

### Usage

    qqpval(p, pch=16, col=4, ...)

### Arguments

`p` | a vector of p values
`pch` | symbol to use for points
`col` | color for points
`...` | other plot arguments

### Value

A plot

### See Also

`GenomicControl`, `WGassociation`

### Examples

    data(SNPs)
    datSNP<-setupSNP(SNPs,6:40,sep="")
    res<-WGassociation(casco,datSNP,model=c("do","re","log-add"))

    # observed vs expected p values for recessive model
    qqpval(recessive(res))

[Package SNPassoc version 1.9-2 Index]