R: Drop a set of markers

drop.markers {qtl} | R Documentation

## Drop a set of markers

### Description

Drop a vector of markers from the data matrices and genetic maps.

### Usage

    drop.markers(cross, markers)

### Arguments

`cross` | An object of class `cross`. See `read.cross` for details.
`markers` | A character vector of marker names.

### Value

The input object, with any markers in the vector `markers` 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, kbroman@biostat.wisc.edu

### See Also

`drop.nullmarkers`, `pull.markers`, `geno.table`, `clean.cross`

### Examples

    data(listeria)
    listeria2 <- drop.markers(listeria, c("D10M44","D1M3","D1M75"))

[Package qtl version 1.41-6 Index]