EVOLUTION-MANAGER
Edit File: Initialize.lmeStruct.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: Initialize an lmeStruct Object</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 Initialize.lmeStruct {nlme}"><tr><td>Initialize.lmeStruct {nlme}</td><td style="text-align: right;">R Documentation</td></tr></table> <h2>Initialize an lmeStruct Object</h2> <h3>Description</h3> <p>The individual linear mixed-effects model components of the <code>lmeStruct</code> list are initialized. </p> <h3>Usage</h3> <pre> ## S3 method for class 'lmeStruct' Initialize(object, data, groups, conLin, control, ...) </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="lmeStruct.html">lmeStruct</a>"</code>, representing a list of linear mixed-effects model components, such as <code>reStruct</code>, <code>corStruct</code>, and <code>varFunc</code> objects.</p> </td></tr> <tr valign="top"><td><code>data</code></td> <td> <p>a data frame in which to evaluate the variables defined in <code>formula(object)</code>.</p> </td></tr> <tr valign="top"><td><code>groups</code></td> <td> <p>a data frame with the grouping factors corresponding to the lme model associated with <code>object</code> as columns, sorted from innermost to outermost grouping level.</p> </td></tr> <tr valign="top"><td><code>conLin</code></td> <td> <p>an optional condensed linear model object, consisting of a list with components <code>"Xy"</code>, corresponding to a regression matrix (<code>X</code>) combined with a response vector (<code>y</code>), and <code>"logLik"</code>, corresponding to the log-likelihood of the underlying lme model. Defaults to <code>attr(object, "conLin")</code>.</p> </td></tr> <tr valign="top"><td><code>control</code></td> <td> <p>an optional list with control parameters for the initialization and optimization algorithms used in <code>lme</code>. Defaults to <code>list(niterEM=20, gradHess=TRUE)</code>, implying that 20 EM iterations are to be used in the derivation of initial estimates for the coefficients of the <code>reStruct</code> component of <code>object</code> and, if possible, numerical gradient vectors and Hessian matrices for the log-likelihood function are to be used in the optimization algorithm.</p> </td></tr> <tr valign="top"><td><code>...</code></td> <td> <p>some methods for this generic require additional arguments. None are used in this method.</p> </td></tr> </table> <h3>Value</h3> <p>an <code>lmeStruct</code> object similar to <code>object</code>, but with initialized model components. </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="lme.html">lme</a></code>, <code><a href="Initialize.reStruct.html">Initialize.reStruct</a></code>, <code><a href="Initialize.corStruct.html">Initialize.corStruct</a></code>, <code><a href="Initialize.varFunc.html">Initialize.varFunc</a></code>, <code><a href="Initialize.html">Initialize</a></code> </p> <hr /><div style="text-align: center;">[Package <em>nlme</em> version 3.1-139 <a href="00Index.html">Index</a>]</div> </body></html>