Drop markers without any genotype data

Description

Drop markers, from the data matrices and genetic maps, that have no genotype data.

Usage

drop.nullmarkers(cross)

Arguments

Value

The same object in the input, with any markers lacking genotype data removed from the genotype data matrices, genetic maps, and, if applicable, the results of calc.genoprob, argmax.geno, sim.geno, and est.rf.

Author(s)

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

See Also

drop.markers, clean, drop.qtlgeno, geno.table

Examples

data(listeria)
listeria2 <- drop.nullmarkers(listeria)