qq: function to make Qantile-Qantile (QQ) plot for p-values

In GWAF: Genome-Wide Association/Interaction Analysis and Rare Variant Analysis with Family Data

Description

qq function makes the QQ plot of p-values against a uniform (0,1) distribution. The genomic control parameter for one degree freedom chi-square statistics corresponding to the p-values is also plotted.

Usage

qq(pvalue, outfile)

Arguments

pvalue	P-values of interest.
outfile	the file name (xxxx.bmp) for output QQ plot in bitmap format

Author(s)

Qiong Yang <[e-mail]> and Ming-Huei Chen <[e-mail]>

Examples

## Not run: 
qq(pvalue=result[,"pval"],outfile="QQ_test.bmp")

## End(Not run)

GWAF documentation built on May 2, 2019, 2:47 p.m.