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Edit File: Covariate.varFunc.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: Assign varFunc Covariate</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 Covariate.varFunc {nlme}"><tr><td>Covariate.varFunc {nlme}</td><td style="text-align: right;">R Documentation</td></tr></table> <h2>Assign varFunc Covariate</h2> <h3>Description</h3> <p>The covariate(s) used in the calculation of the weights of the variance function represented by <code>object</code> is (are) replaced by <code>value</code>. If <code>object</code> has been initialized, <code>value</code> must have the same dimensions as <code>getCovariate(object)</code>. </p> <h3>Usage</h3> <pre> ## S3 replacement method for class 'varFunc' covariate(object) <- value </pre> <h3>Arguments</h3> <table summary="R argblock"> <tr valign="top"><td><code>object</code></td> <td> <p>an object inheriting from class <code>"<a href="varFunc.html">varFunc</a>"</code>, representing a variance function structure.</p> </td></tr> <tr valign="top"><td><code>value</code></td> <td> <p>a value to be assigned to the covariate associated with <code>object</code>.</p> </td></tr> </table> <h3>Value</h3> <p>a <code>varFunc</code> object similar to <code>object</code>, but with its <code>covariate</code> attribute replaced by <code>value</code>. </p> <h3>Author(s)</h3> <p>José Pinheiro and Douglas Bates <a href="mailto:bates@stat.wisc.edu">bates@stat.wisc.edu</a></p> <h3>See Also</h3> <p><code><a href="getCovariate.varFunc.html">getCovariate.varFunc</a></code></p> <h3>Examples</h3> <pre> vf1 <- varPower(1.1, form = ~age) covariate(vf1) <- Orthodont[["age"]] </pre> <hr /><div style="text-align: center;">[Package <em>nlme</em> version 3.1-139 <a href="00Index.html">Index</a>]</div> </body></html>