EVOLUTION-MANAGER
Edit File: varWeights.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: Extract Variance Function Weights</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 varWeights {nlme}"><tr><td>varWeights {nlme}</td><td style="text-align: right;">R Documentation</td></tr></table> <h2>Extract Variance Function Weights</h2> <h3>Description</h3> <p>The inverse of the standard deviations corresponding to the variance function structure represented by <code>object</code> are returned. </p> <h3>Usage</h3> <pre> varWeights(object) </pre> <h3>Arguments</h3> <table summary="R argblock"> <tr valign="top"><td><code>object</code></td> <td> <p>an object inheriting from class <code>varFunc</code>, representing a variance function structure.</p> </td></tr> </table> <h3>Value</h3> <p>if <code>object</code> has a <code>weights</code> attribute, its value is returned; else <code>NULL</code> is returned. </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>References</h3> <p>Pinheiro, J.C., and Bates, D.M. (2000) "Mixed-Effects Models in S and S-PLUS", Springer. </p> <h3>See Also</h3> <p><code><a href="logLik.varFunc.html">logLik.varFunc</a></code>, <code><a href="varWeights.html">varWeights</a></code> </p> <h3>Examples</h3> <pre> vf1 <- varPower(form=~age) vf1 <- Initialize(vf1, Orthodont) coef(vf1) <- 0.3 varWeights(vf1)[1:10] </pre> <hr /><div style="text-align: center;">[Package <em>nlme</em> version 3.1-139 <a href="00Index.html">Index</a>]</div> </body></html>