EVOLUTION-MANAGER
Edit File: pooledSD.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 Pooled Standard Deviation</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 pooledSD {nlme}"><tr><td>pooledSD {nlme}</td><td style="text-align: right;">R Documentation</td></tr></table> <h2>Extract Pooled Standard Deviation</h2> <h3>Description</h3> <p>The pooled estimated standard deviation is obtained by adding together the residual sum of squares for each non-null element of <code>object</code>, dividing by the sum of the corresponding residual degrees-of-freedom, and taking the square-root. </p> <h3>Usage</h3> <pre> pooledSD(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>lmList</code>.</p> </td></tr> </table> <h3>Value</h3> <p>the pooled standard deviation for the non-null elements of <code>object</code>, with an attribute <code>df</code> with the number of degrees-of-freedom used in the estimation. </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="lmList.html">lmList</a></code>, <code><a href="../../stats/html/lm.html">lm</a></code></p> <h3>Examples</h3> <pre> fm1 <- lmList(Orthodont) pooledSD(fm1) </pre> <hr /><div style="text-align: center;">[Package <em>nlme</em> version 3.1-139 <a href="00Index.html">Index</a>]</div> </body></html>