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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: Read a Point Process Object from a File</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 ppinit {spatial}"><tr><td>ppinit {spatial}</td><td style="text-align: right;">R Documentation</td></tr></table> <h2> Read a Point Process Object from a File </h2> <h3>Description</h3> <p>Read a file in standard format and create a point process object. </p> <h3>Usage</h3> <pre> ppinit(file) </pre> <h3>Arguments</h3> <table summary="R argblock"> <tr valign="top"><td><code>file</code></td> <td> <p>string giving file name </p> </td></tr></table> <h3>Details</h3> <p>The file should contain </p> <p>the number of points<br /> a header (ignored)<br /> xl xu yl yu scale<br /> x y (repeated n times)<br /> </p> <h3>Value</h3> <p>class <code>"pp"</code> object with components <code>x</code>, <code>y</code>, <code>xl</code>, <code>xu</code>, <code>yl</code>, <code>yu</code> </p> <h3>Side Effects</h3> <p>Calls <code>ppregion</code> to set the domain. </p> <h3>References</h3> <p>Venables, W. N. and Ripley, B. D. (2002) <em>Modern Applied Statistics with S.</em> Fourth edition. Springer. </p> <h3>See Also</h3> <p><code><a href="ppregion.html">ppregion</a></code> </p> <h3>Examples</h3> <pre> towns <- ppinit("towns.dat") par(pty="s") plot(Kfn(towns, 10), type="b", xlab="distance", ylab="L(t)") </pre> <hr /><div style="text-align: center;">[Package <em>spatial</em> version 7.3-11 <a href="00Index.html">Index</a>]</div> </body></html>