EVOLUTION-MANAGER
Edit File: Sl.initial.repara.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: Re-parametrizing model matrix X</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 Sl.initial.repara {mgcv}"><tr><td>Sl.initial.repara {mgcv}</td><td style="text-align: right;">R Documentation</td></tr></table> <h2>Re-parametrizing model matrix X</h2> <h3>Description</h3> <p>INTERNAL routine to apply initial Sl re-parameterization to model matrix X, or, if <code>inverse==TRUE</code>, to apply inverse re-parametrization to parameter vector or covariance matrix. </p> <h3>Usage</h3> <pre> Sl.initial.repara(Sl, X, inverse = FALSE, both.sides = TRUE, cov = TRUE, nt = 1) </pre> <h3>Arguments</h3> <table summary="R argblock"> <tr valign="top"><td><code>Sl</code></td> <td> <p>the output of <code>Sl.setup</code>.</p> </td></tr> <tr valign="top"><td><code>X</code></td> <td> <p>the model matrix.</p> </td></tr> <tr valign="top"><td><code>inverse</code></td> <td> <p>if <code>TRUE</code> an inverse re-parametrization is performed.</p> </td></tr> <tr valign="top"><td><code>both.sides</code></td> <td> <p>if <code>inverse==TRUE</code> and <code>both.sides==FALSE</code> then the re-parametrization only applied to rhs, as appropriate for a choleski factor. If <code>both.sides==FALSE</code>, <code>X</code> is a vector and <code>inverse==FALSE</code> then <code>X</code> is taken as a coefficient vector (so re-parametrization is inverse of that for the model matrix).</p> </td></tr> <tr valign="top"><td><code>cov</code></td> <td> <p>boolean indicating whether <code>X</code> is a covariance matrix.</p> </td></tr> <tr valign="top"><td><code>nt</code></td> <td> <p>number of parallel threads to be used.</p> </td></tr> </table> <h3>Value</h3> <p>A re-parametrized version of <code>X</code>. </p> <h3>Author(s)</h3> <p>Simon N. Wood <simon.wood@r-project.org>. </p> <hr /><div style="text-align: center;">[Package <em>mgcv</em> version 1.8-28 <a href="00Index.html">Index</a>]</div> </body></html>