plot.missing {qtl}R Documentation

Plot grid of missing genotypes

Description

Plot a grid showing which genotypes are missing, including lines at the chromosome boundaries.

Usage

plot.missing(x,chr,reorder=F,main="Missing genotypes",...)

Arguments

x An object of class cross. See read.cross for details.
chr Vector of chromosomes to plot. If missing, plot all chromosomes.
reorder Specify whether to reorder individuals according to their phenotypes.
FALSE Don't reorder
TRUE Reorder according to the sum of the phenotypes
n Reorder according to phenotype n
main Title to place on plot.
... Ignored at this point.

Value

Uses image to plot a grid with black pixels where the genotypes are missing. For intercross and 4way cross data, pink pixels are plotted for the partially missing genotypes.

Author(s)

Karl W Broman, kbroman@jhsph.edu
http://biosun01.biostat.jhsph.edu/~kbroman/software/qtl.html

See Also

image, plot.cross

Examples

data(fake.f2)
plot.missing(fake.f2)
[Package Contents]