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<!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: Horizontal Asymptote on the Right Side</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 NLSstRtAsymptote {stats}"><tr><td>NLSstRtAsymptote {stats}</td><td style="text-align: right;">R Documentation</td></tr></table> <h2>Horizontal Asymptote on the Right Side</h2> <h3>Description</h3> <p>Provide an initial guess at the horizontal asymptote on the right side (i.e., large values of <code>x</code>) of the graph of <code>y</code> versus <code>x</code> from the <code>xy</code> object. Primarily used within <code>initial</code> functions for self-starting nonlinear regression models. </p> <h3>Usage</h3> <pre> NLSstRtAsymptote(xy) </pre> <h3>Arguments</h3> <table summary="R argblock"> <tr valign="top"><td><code>xy</code></td> <td> <p>a <code>sortedXyData</code> object</p> </td></tr> </table> <h3>Value</h3> <p>A single numeric value estimating the horizontal asymptote for large <code>x</code>. </p> <h3>Author(s)</h3> <p>José Pinheiro and Douglas Bates</p> <h3>See Also</h3> <p><code><a href="sortedXyData.html">sortedXyData</a></code>, <code><a href="NLSstClosestX.html">NLSstClosestX</a></code>, <code><a href="NLSstRtAsymptote.html">NLSstRtAsymptote</a></code>, <code><a href="selfStart.html">selfStart</a></code> </p> <h3>Examples</h3> <pre> DNase.2 <- DNase[ DNase$Run == "2", ] DN.srt <- sortedXyData( expression(log(conc)), expression(density), DNase.2 ) NLSstRtAsymptote( DN.srt ) </pre> <hr /><div style="text-align: center;">[Package <em>stats</em> version 3.6.0 <a href="00Index.html">Index</a>]</div> </body></html>