drop.nullmarkers {qtl} | R Documentation |
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
cross |
An object of class |
Value
The input object, with any markers lacking genotype data removed from
the genotype data matrices, genetic maps, and, if applicable, any
derived data (such as produced by calc.genoprob
).
(It might be a good idea to re-derive such things after using this
function.)
Author(s)
Karl W Broman, broman@wisc.edu
See Also
nullmarkers
, drop.markers
, clean.cross
,
geno.table
Examples
# removes one marker from hyper
data(hyper)
hyper <- drop.nullmarkers(hyper)
# shouldn't do anything to listeria
data(listeria)
listeria <- drop.nullmarkers(listeria)
[Package qtl version 1.66 Index]