GWAF (version 2.2)

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

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

Examples

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