EVOLUTION-MANAGER
Edit File: drop.nullmarkers.html
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><title>R: Drop markers without any genotype data</title> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <link rel="stylesheet" type="text/css" href="R.css" /> </head><body> <table width="100%" summary="page for drop.nullmarkers {qtl}"><tr><td>drop.nullmarkers {qtl}</td><td style="text-align: right;">R Documentation</td></tr></table> <h2>Drop markers without any genotype data</h2> <h3>Description</h3> <p>Drop markers, from the data matrices and genetic maps, that have no genotype data. </p> <h3>Usage</h3> <pre> drop.nullmarkers(cross) </pre> <h3>Arguments</h3> <table summary="R argblock"> <tr valign="top"><td><code>cross</code></td> <td> <p>An object of class <code>cross</code>. See <code><a href="read.cross.html">read.cross</a></code> for details.</p> </td></tr> </table> <h3>Value</h3> <p>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 <code><a href="calc.genoprob.html">calc.genoprob</a></code>). (It might be a good idea to re-derive such things after using this function.) </p> <h3>Author(s)</h3> <p>Karl W Broman, <a href="mailto:broman@wisc.edu">broman@wisc.edu</a> </p> <h3>See Also</h3> <p><code><a href="nullmarkers.html">nullmarkers</a></code>, <code><a href="drop.markers.html">drop.markers</a></code>, <code><a href="clean.cross.html">clean.cross</a></code>, <code><a href="geno.table.html">geno.table</a></code> </p> <h3>Examples</h3> <pre> # removes one marker from hyper data(hyper) hyper <- drop.nullmarkers(hyper) # shouldn't do anything to listeria data(listeria) listeria <- drop.nullmarkers(listeria) </pre> <hr /><div style="text-align: center;">[Package <em>qtl</em> version 1.46-2 <a href="00Index.html">Index</a>]</div> </body></html>